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HTML Multiselect dropdown Java Script not working at when Add Multiple Fields.

laEdu

New Coder
I have problem with setting up multiselect dropdown menu.. HTML Multiselect dropdown Java Script not working at when Add Multiple Fields.

This is my fill script link - <https://jsfiddle.net/13yeasedu/j6gd5kvo/12/>

[CODE lang="html" title="Head"]<link href="https://getbootstrap.com/docs/5.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous"> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script><script src="https://code.jquery.com/jquery-1.4.3.min.js" integrity="sha256-+ACzmeXHpSVPxmu0BxF/44294FKHgOaMn3yH0pn4SGo=" crossorigin="anonymous"></script><script src="https://cdn.jsdelivr.net/gh/bbbootstrap/libraries@main/choices.min.js"></script><link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/bbbootstrap/libraries@main/choices.min.css">[/CODE]

Code:
<div id="Multiple-Fields">

<p>   

<label for="items_list">

<select name="items_lists" id="choices-multiple" placeholder="Please Select The Items" multiple>

<option value="Item 1">Item 1</option>

<option value="Item 2">Item 2</option>

</select>

</label>   

</p>

</div>

<h6><a href="#" id="add_Multiple-Fields">Add Multiple Fields</a></h6>

JavaScript:
<script>



    $(document).ready(function(){



    var multipleCancelButton = new Choices('#choices-multiple', {

    removeItemButton: true,

    maxItemCount:5,

    searchResultLimit:5,

    renderChoiceLimit:5

    });



    });



</script>



<script>

$(function() {

        var scntDiv = $('#Multiple-Fields');

        var i = $('#Multiple-Fields p').size() + 1;

      

        $('#add_Multiple-Fields').live('click', function() {

      

                $('<p> <label for="items_list"><select name="items_lists" id="choices-multiple" placeholder="Please Select The Items" multiple><option value="Item 1">Item 1</option><option value="Item 2">Item 2</option></select></label> <a href="#" id="rem_Multiple-Fields">Remove</a></p>').appendTo(scntDiv);

              

                i++;

                return false;

        });

      

        $('#rem_Multiple-Fields').live('click', function() {

                if( i > 2 ) {

                        $(this).parents('p').remove();

                        i--;

                }

                return false;

        });

});

</script>
 
IaEdu I am not sure if your having a problem sending the list of multiple choices or trying to add an option to the options already in the select list. The latter sounds strange so I’ll address the former. I apologize for not using Jquery. I don’t like it and don’t use it. Answer in pure, raw JavaScript.

But first lets correct your HTML:
You have your <select> in a LABEL inside a Paragraph inside a DIV. A select does not need to be in a div. It exists on it’s own. It never should be a paragraph.

The select has a name="items_lists" and an id="choices-multiple". name is only needed if your sending the <form> and not using JS. And that is what I’d suggest you do.

Your <label> is setting the for to the select name. Wrong it should target the id.

While we may place an <input> inside the label, it’s not good to do that for a <select>

The last line is just to show you the results. The "selected" variable can be sent to your PHP file.

Code:
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="main.css">
    <title>My Site</title>
    <style></style>
</head>
<body>

<label for="choices-multiple">Please Select The Items</label><br>
<select id="choices_multiple" size="5" multiple>
  <option value="Item 1">Item 1</option>
  <option value="Item 2">Item 2</option>
  <option value="Item 3">Item 3</option>
  <option value="Item 4">Item 4</option>
  <option value="Item 5">Item 5</option>
</select><br>
<button id="Pick">I Made My Selections</button><br><br>
<p id="out"></p>

<script>
document.getElementById("Pick").addEventListener("click", function() {
  let multiSelect = document.getElementById("choices_multiple").selectedOptions;
  let selected = "";
  for (let i=0; i<multiSelect.length; i++) {
    selected += multiSelect[i].label+",";
  }
  document.getElementById("out").innerHTML = selected;
});
</script>
</body>
</html>
 

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