Refactoring duplicated jQuery script, Inputs focus .show() or .hide() div for multiple inputs and hidden divs












0












$begingroup$


I posted a question on StackOverflow and got an answer that works but has a lot of duplicated code. In the future, the functionality may also require a third or more divs to be shown or hidden.



The original script also came from a SO answer.



Can this code be refactored or improved to accommodate more than 2 inputs and hidden divs?



When the client focuses in a text field the associated div is shown or hidden on blur.






//BASED OFF SO SINGULAR EXAMPLE

//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363

    

    

    

//CAN THESE TWO BE REFACTORED???

$('#search-markets').focus(function() {

    $('div.select-markets-filters').css('display', 'flex');

    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {

        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;

        $(document).unbind('.select-markets-filters');

        $('div.select-markets-filters').slideUp(300);

    });

});

$('div.select-markets-filters').hide();



//CAN THESE TWO BE REFACTORED???

$('#search-symbols-instruments').focus(function() {

    $('div.select-symbols-instruments-filters').css('display', 'flex');

    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {

        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;

        $(document).unbind('.select-symbols-instruments-filters');

        $('div.select-symbols-instruments-filters').slideUp(300);

    });

});

$('div.select-symbols-instruments-filters').hide();

#select-data-inputs {

    background-color: #000;

}



.select-filters {

    background-color: rgba(0, 0, 0, 0.8);

    border-top: 2px solid #fff;

    color: #fff;

}



#select-symbols {

    background-color: rgba(1, 56, 89, 0.85);

}



#select-markets {

    background-color: rgba(2, 104, 165, 0.85);

}



.filter-list li.list-inline-item {

    width: 48%;

    margin: 0;

}

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   



 <div class="container-fluid">

        <div class="row m-5 ">

            <div class="col-12 text-center">

                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>

                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>

            </div>

        </div>

        <div class="row">

            <div id="select-data-inputs" class="controls form-row p-3 w-100">

                <div class="col-4">

                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">

                </div>

                <div class="col-4 offset-1">

                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">

                </div>

            </div>

        </div>

        <div id="main-display">

            <div id="select-markets" class="row select-filters select-markets-filters p-4">

                <div class="select-heading col-12 pl-2">

                    <h6 class="small-sub-heading">Select markets</h6>

                </div>

                <div class="col-4 pt-2 select-filter-items">

                    <ul class="filter-list list-unstyled pl-2">

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">

                            <label class="form-check-label" for="market-option-1">Market Option 1</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">

                            <label class="form-check-label" for="market-option-2">Market Option 2</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">

                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">

                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>

                        </li>

                    </ul>

                </div>

            </div>

            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">

                <div class="select-heading col-4 offset-5 pl-2">

                    <h6 class="small-sub-heading">Select symbols</h6>

                </div>

                <div class="col-4 offset-5 pt-2 select-filter-items">

                    <ul class="filter-list list-unstyled pl-2">

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">

                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">

                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">

                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>

                        </li>

                        <li class="list-inline-item"> 

                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">

                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>

                        </li>

                    </ul>

                </div>

            </div>

        </div>

    </div>

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>








performance jquery html form






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New contributor




user191294 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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    $begingroup$


    I posted a question on StackOverflow and got an answer that works but has a lot of duplicated code. In the future, the functionality may also require a third or more divs to be shown or hidden.



    The original script also came from a SO answer.



    Can this code be refactored or improved to accommodate more than 2 inputs and hidden divs?



    When the client focuses in a text field the associated div is shown or hidden on blur.






    //BASED OFF SO SINGULAR EXAMPLE
    
//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363
    
    
    
    
    
    
    
//CAN THESE TWO BE REFACTORED???
    
$('#search-markets').focus(function() {
    
    $('div.select-markets-filters').css('display', 'flex');
    
    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {
    
        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;
    
        $(document).unbind('.select-markets-filters');
    
        $('div.select-markets-filters').slideUp(300);
    
    });
    
});
    
$('div.select-markets-filters').hide();
    

    
//CAN THESE TWO BE REFACTORED???
    
$('#search-symbols-instruments').focus(function() {
    
    $('div.select-symbols-instruments-filters').css('display', 'flex');
    
    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {
    
        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;
    
        $(document).unbind('.select-symbols-instruments-filters');
    
        $('div.select-symbols-instruments-filters').slideUp(300);
    
    });
    
});
    
$('div.select-symbols-instruments-filters').hide();

    #select-data-inputs {
    
    background-color: #000;
    
}
    

    
.select-filters {
    
    background-color: rgba(0, 0, 0, 0.8);
    
    border-top: 2px solid #fff;
    
    color: #fff;
    
}
    

    
#select-symbols {
    
    background-color: rgba(1, 56, 89, 0.85);
    
}
    

    
#select-markets {
    
    background-color: rgba(2, 104, 165, 0.85);
    
}
    

    
.filter-list li.list-inline-item {
    
    width: 48%;
    
    margin: 0;
    
}

    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   
    

    
 <div class="container-fluid">
    
        <div class="row m-5 ">
    
            <div class="col-12 text-center">
    
                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>
    
                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>
    
            </div>
    
        </div>
    
        <div class="row">
    
            <div id="select-data-inputs" class="controls form-row p-3 w-100">
    
                <div class="col-4">
    
                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">
    
                </div>
    
                <div class="col-4 offset-1">
    
                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">
    
                </div>
    
            </div>
    
        </div>
    
        <div id="main-display">
    
            <div id="select-markets" class="row select-filters select-markets-filters p-4">
    
                <div class="select-heading col-12 pl-2">
    
                    <h6 class="small-sub-heading">Select markets</h6>
    
                </div>
    
                <div class="col-4 pt-2 select-filter-items">
    
                    <ul class="filter-list list-unstyled pl-2">
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">
    
                            <label class="form-check-label" for="market-option-1">Market Option 1</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">
    
                            <label class="form-check-label" for="market-option-2">Market Option 2</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">
    
                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">
    
                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>
    
                        </li>
    
                    </ul>
    
                </div>
    
            </div>
    
            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">
    
                <div class="select-heading col-4 offset-5 pl-2">
    
                    <h6 class="small-sub-heading">Select symbols</h6>
    
                </div>
    
                <div class="col-4 offset-5 pt-2 select-filter-items">
    
                    <ul class="filter-list list-unstyled pl-2">
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">
    
                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">
    
                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">
    
                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>
    
                        </li>
    
                        <li class="list-inline-item"> 
    
                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">
    
                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>
    
                        </li>
    
                    </ul>
    
                </div>
    
            </div>
    
        </div>
    
    </div>
    
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>








    performance jquery html form






    share







    New contributor




    user191294 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      0












      0








      0





      $begingroup$


      I posted a question on StackOverflow and got an answer that works but has a lot of duplicated code. In the future, the functionality may also require a third or more divs to be shown or hidden.



      The original script also came from a SO answer.



      Can this code be refactored or improved to accommodate more than 2 inputs and hidden divs?



      When the client focuses in a text field the associated div is shown or hidden on blur.






      //BASED OFF SO SINGULAR EXAMPLE
      
//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363
      
    
      
    
      
    
      
//CAN THESE TWO BE REFACTORED???
      
$('#search-markets').focus(function() {
      
    $('div.select-markets-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {
      
        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;
      
        $(document).unbind('.select-markets-filters');
      
        $('div.select-markets-filters').slideUp(300);
      
    });
      
});
      
$('div.select-markets-filters').hide();
      

      
//CAN THESE TWO BE REFACTORED???
      
$('#search-symbols-instruments').focus(function() {
      
    $('div.select-symbols-instruments-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {
      
        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;
      
        $(document).unbind('.select-symbols-instruments-filters');
      
        $('div.select-symbols-instruments-filters').slideUp(300);
      
    });
      
});
      
$('div.select-symbols-instruments-filters').hide();

      #select-data-inputs {
      
    background-color: #000;
      
}
      

      
.select-filters {
      
    background-color: rgba(0, 0, 0, 0.8);
      
    border-top: 2px solid #fff;
      
    color: #fff;
      
}
      

      
#select-symbols {
      
    background-color: rgba(1, 56, 89, 0.85);
      
}
      

      
#select-markets {
      
    background-color: rgba(2, 104, 165, 0.85);
      
}
      

      
.filter-list li.list-inline-item {
      
    width: 48%;
      
    margin: 0;
      
}

      <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   
      

      
 <div class="container-fluid">
      
        <div class="row m-5 ">
      
            <div class="col-12 text-center">
      
                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>
      
                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>
      
            </div>
      
        </div>
      
        <div class="row">
      
            <div id="select-data-inputs" class="controls form-row p-3 w-100">
      
                <div class="col-4">
      
                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">
      
                </div>
      
                <div class="col-4 offset-1">
      
                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">
      
                </div>
      
            </div>
      
        </div>
      
        <div id="main-display">
      
            <div id="select-markets" class="row select-filters select-markets-filters p-4">
      
                <div class="select-heading col-12 pl-2">
      
                    <h6 class="small-sub-heading">Select markets</h6>
      
                </div>
      
                <div class="col-4 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">
      
                            <label class="form-check-label" for="market-option-1">Market Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">
      
                            <label class="form-check-label" for="market-option-2">Market Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">
      
                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">
      
                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">
      
                <div class="select-heading col-4 offset-5 pl-2">
      
                    <h6 class="small-sub-heading">Select symbols</h6>
      
                </div>
      
                <div class="col-4 offset-5 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">
      
                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">
      
                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">
      
                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">
      
                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
        </div>
      
    </div>
      
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>








      performance jquery html form






      share







      New contributor




      user191294 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I posted a question on StackOverflow and got an answer that works but has a lot of duplicated code. In the future, the functionality may also require a third or more divs to be shown or hidden.



      The original script also came from a SO answer.



      Can this code be refactored or improved to accommodate more than 2 inputs and hidden divs?



      When the client focuses in a text field the associated div is shown or hidden on blur.






      //BASED OFF SO SINGULAR EXAMPLE
      
//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363
      
    
      
    
      
    
      
//CAN THESE TWO BE REFACTORED???
      
$('#search-markets').focus(function() {
      
    $('div.select-markets-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {
      
        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;
      
        $(document).unbind('.select-markets-filters');
      
        $('div.select-markets-filters').slideUp(300);
      
    });
      
});
      
$('div.select-markets-filters').hide();
      

      
//CAN THESE TWO BE REFACTORED???
      
$('#search-symbols-instruments').focus(function() {
      
    $('div.select-symbols-instruments-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {
      
        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;
      
        $(document).unbind('.select-symbols-instruments-filters');
      
        $('div.select-symbols-instruments-filters').slideUp(300);
      
    });
      
});
      
$('div.select-symbols-instruments-filters').hide();

      #select-data-inputs {
      
    background-color: #000;
      
}
      

      
.select-filters {
      
    background-color: rgba(0, 0, 0, 0.8);
      
    border-top: 2px solid #fff;
      
    color: #fff;
      
}
      

      
#select-symbols {
      
    background-color: rgba(1, 56, 89, 0.85);
      
}
      

      
#select-markets {
      
    background-color: rgba(2, 104, 165, 0.85);
      
}
      

      
.filter-list li.list-inline-item {
      
    width: 48%;
      
    margin: 0;
      
}

      <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   
      

      
 <div class="container-fluid">
      
        <div class="row m-5 ">
      
            <div class="col-12 text-center">
      
                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>
      
                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>
      
            </div>
      
        </div>
      
        <div class="row">
      
            <div id="select-data-inputs" class="controls form-row p-3 w-100">
      
                <div class="col-4">
      
                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">
      
                </div>
      
                <div class="col-4 offset-1">
      
                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">
      
                </div>
      
            </div>
      
        </div>
      
        <div id="main-display">
      
            <div id="select-markets" class="row select-filters select-markets-filters p-4">
      
                <div class="select-heading col-12 pl-2">
      
                    <h6 class="small-sub-heading">Select markets</h6>
      
                </div>
      
                <div class="col-4 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">
      
                            <label class="form-check-label" for="market-option-1">Market Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">
      
                            <label class="form-check-label" for="market-option-2">Market Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">
      
                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">
      
                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">
      
                <div class="select-heading col-4 offset-5 pl-2">
      
                    <h6 class="small-sub-heading">Select symbols</h6>
      
                </div>
      
                <div class="col-4 offset-5 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">
      
                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">
      
                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">
      
                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">
      
                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
        </div>
      
    </div>
      
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>
      
    








      //BASED OFF SO SINGULAR EXAMPLE
      
//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363
      
    
      
    
      
    
      
//CAN THESE TWO BE REFACTORED???
      
$('#search-markets').focus(function() {
      
    $('div.select-markets-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {
      
        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;
      
        $(document).unbind('.select-markets-filters');
      
        $('div.select-markets-filters').slideUp(300);
      
    });
      
});
      
$('div.select-markets-filters').hide();
      

      
//CAN THESE TWO BE REFACTORED???
      
$('#search-symbols-instruments').focus(function() {
      
    $('div.select-symbols-instruments-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {
      
        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;
      
        $(document).unbind('.select-symbols-instruments-filters');
      
        $('div.select-symbols-instruments-filters').slideUp(300);
      
    });
      
});
      
$('div.select-symbols-instruments-filters').hide();

      #select-data-inputs {
      
    background-color: #000;
      
}
      

      
.select-filters {
      
    background-color: rgba(0, 0, 0, 0.8);
      
    border-top: 2px solid #fff;
      
    color: #fff;
      
}
      

      
#select-symbols {
      
    background-color: rgba(1, 56, 89, 0.85);
      
}
      

      
#select-markets {
      
    background-color: rgba(2, 104, 165, 0.85);
      
}
      

      
.filter-list li.list-inline-item {
      
    width: 48%;
      
    margin: 0;
      
}

      <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   
      

      
 <div class="container-fluid">
      
        <div class="row m-5 ">
      
            <div class="col-12 text-center">
      
                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>
      
                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>
      
            </div>
      
        </div>
      
        <div class="row">
      
            <div id="select-data-inputs" class="controls form-row p-3 w-100">
      
                <div class="col-4">
      
                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">
      
                </div>
      
                <div class="col-4 offset-1">
      
                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">
      
                </div>
      
            </div>
      
        </div>
      
        <div id="main-display">
      
            <div id="select-markets" class="row select-filters select-markets-filters p-4">
      
                <div class="select-heading col-12 pl-2">
      
                    <h6 class="small-sub-heading">Select markets</h6>
      
                </div>
      
                <div class="col-4 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">
      
                            <label class="form-check-label" for="market-option-1">Market Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">
      
                            <label class="form-check-label" for="market-option-2">Market Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">
      
                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">
      
                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">
      
                <div class="select-heading col-4 offset-5 pl-2">
      
                    <h6 class="small-sub-heading">Select symbols</h6>
      
                </div>
      
                <div class="col-4 offset-5 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">
      
                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">
      
                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">
      
                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">
      
                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
        </div>
      
    </div>
      
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>
      
    





      //BASED OFF SO SINGULAR EXAMPLE
      
//https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat#answer-2427363
      
    
      
    
      
    
      
//CAN THESE TWO BE REFACTORED???
      
$('#search-markets').focus(function() {
      
    $('div.select-markets-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-markets-filters click.select-markets-filters',function(e) {
      
        if ($(e.target).closest('.select-markets-filters, #search-markets').length) return;
      
        $(document).unbind('.select-markets-filters');
      
        $('div.select-markets-filters').slideUp(300);
      
    });
      
});
      
$('div.select-markets-filters').hide();
      

      
//CAN THESE TWO BE REFACTORED???
      
$('#search-symbols-instruments').focus(function() {
      
    $('div.select-symbols-instruments-filters').css('display', 'flex');
      
    $(document).bind('focusin.select-symbols-instruments-filters click.select-symbols-instruments-filters',function(e) {
      
        if ($(e.target).closest('.select-symbols-instruments-filters, #search-symbols-instruments').length) return;
      
        $(document).unbind('.select-symbols-instruments-filters');
      
        $('div.select-symbols-instruments-filters').slideUp(300);
      
    });
      
});
      
$('div.select-symbols-instruments-filters').hide();

      #select-data-inputs {
      
    background-color: #000;
      
}
      

      
.select-filters {
      
    background-color: rgba(0, 0, 0, 0.8);
      
    border-top: 2px solid #fff;
      
    color: #fff;
      
}
      

      
#select-symbols {
      
    background-color: rgba(1, 56, 89, 0.85);
      
}
      

      
#select-markets {
      
    background-color: rgba(2, 104, 165, 0.85);
      
}
      

      
.filter-list li.list-inline-item {
      
    width: 48%;
      
    margin: 0;
      
}

      <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">   
      

      
 <div class="container-fluid">
      
        <div class="row m-5 ">
      
            <div class="col-12 text-center">
      
                <h1>On form inputs focus, show div. hide div on blur for <span class="text-danger">multiple inputs</span> and hidden divs</h1>
      
                <p class="lead"><i><a href="https://stackoverflow.com/questions/2426438/jquery-on-form-input-focus-show-div-hide-div-on-blur-with-a-caveat" target="_blank">Based from SO sigular example</a></i></p>
      
            </div>
      
        </div>
      
        <div class="row">
      
            <div id="select-data-inputs" class="controls form-row p-3 w-100">
      
                <div class="col-4">
      
                    <input type="text" id="search-markets" class="input form-control" placeholder="Search Markets">
      
                </div>
      
                <div class="col-4 offset-1">
      
                    <input type="text" id="search-symbols-instruments" class="input form-control" placeholder="Search Symbols">
      
                </div>
      
            </div>
      
        </div>
      
        <div id="main-display">
      
            <div id="select-markets" class="row select-filters select-markets-filters p-4">
      
                <div class="select-heading col-12 pl-2">
      
                    <h6 class="small-sub-heading">Select markets</h6>
      
                </div>
      
                <div class="col-4 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-1" value="market-option-1">
      
                            <label class="form-check-label" for="market-option-1">Market Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-2" value="market-option-2">
      
                            <label class="form-check-label" for="market-option-2">Market Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-3" value="market-option-3">
      
                            <label class="form-check-label" for="market-option-3">Market-Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="market-option-4" value="market-option-4">
      
                            <label class="form-check-label" for="market-option-4">Market-Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
            <div id="select-symbols" class="row select-filters select-symbols-instruments-filters p-4">
      
                <div class="select-heading col-4 offset-5 pl-2">
      
                    <h6 class="small-sub-heading">Select symbols</h6>
      
                </div>
      
                <div class="col-4 offset-5 pt-2 select-filter-items">
      
                    <ul class="filter-list list-unstyled pl-2">
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-1" value="symbol-option-1">
      
                            <label class="form-check-label" for="symbol-option-1">Symbol Option 1</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-2" value="symbol-option-2">
      
                            <label class="form-check-label" for="symbol-option-2">Symbol Option 2</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-3" value="symbol-option-3">
      
                            <label class="form-check-label" for="symbol-option-3">Symbol Option 3</label>
      
                        </li>
      
                        <li class="list-inline-item"> 
      
                            <input class="form-check-input" type="checkbox" id="symbol-option-4" value="symbol-option-4">
      
                            <label class="form-check-label" for="symbol-option-4">Symbol Option 4</label>
      
                        </li>
      
                    </ul>
      
                </div>
      
            </div>
      
        </div>
      
    </div>
      
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js" integrity="sha384-pjaaA8dDz/5BgdFUPX6M/9SUZv4d12SUPF0axWc+VRZkx5xU3daN+lYb49+Ax+Tl" crossorigin="anonymous"></script>





      performance jquery html form




      performance jquery html form





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          Deepest pit of an array with Javascript: test on Codility

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          0 $begingroup$ This is the question from a Codility test, as a task in an interview: DeepestPit - problem description A non-empty zero-indexed array A consisting of N integers is given. A pit in this array is any triplet of integers (P, Q, R) such that: ·         0 ≤ P < Q < R < N; ·         sequence [A[P], A[P+1], ..., A[Q]] is strictly decreasing, i.e. A[P] > A[P+1] > ... > A[Q]; ·         sequence A[Q], A[Q+1], ..., A[R] is strictly increasing, i.e. A[Q] < A[Q+1] < ... < A[R]. The depth of a pit (P, Q, R) is the number min {A[P] − A[Q], A[R] − A[Q]}. For example, consider array A consisting of 10 elements such that: A[0] = 0 A[1] = 1 A[2] = 3 A[3] = -2 A[4] = 0 A[5] = 1 A[6] = 0 A[7] = -3 A[8] = 2 A[9] = 3 Triplet (2, 3, 4) is
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          Costa Masnaga

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          .mw-parser-output .avviso .mbox-text-div>div,.mw-parser-output .avviso .mbox-text-full-div>div{font-size:90%}.mw-parser-output .avviso .mbox-image div{width:52px}.mw-parser-output .avviso .mbox-text-full-div .hide-when-compact{display:block} Questa voce o sezione sull'argomento Lombardia non cita le fonti necessarie o quelle presenti sono insufficienti . Puoi migliorare questa voce aggiungendo citazioni da fonti attendibili secondo le linee guida sull'uso delle fonti. Segui i suggerimenti del progetto di riferimento. Costa Masnaga comune Localizzazione Stato   Italia Regione Lombardia Provincia Lecco Amministrazione Sindaco Sabina Panzeri (Al centro il cittadino) dall'08/06/2009 Territorio Coordinate 45°46′N 9°17′E  /  45.766667°N 9.283333°E 45.766667; 9.283333  ( Costa Masnaga ) Coordinate: 45°46′N 9°17′E  /  45.766667°N 9.283333°E 45.766667; 9.283333  ( Costa Masnaga ) Altitudine 318 m s.l.m
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