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jQuery checkbox values to comma separated list

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南方客
南方客 2021-01-04 03:00

I have several checkboxes with a name array and I want the output of the checked boxes to be a variable with a comma separated list.
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4条回答
  • 梦谈多话
    2021-01-04 03:36

    Currently un-tested, but I believe the following should work:

    var valuesArray = $('input:checkbox:checked').map( function () {
    return $(this).val();
}).get().join();

    Edited, after a small break, to use native DOM, rather than $(this).val() (which is needlessly expensive, in context):

    var valuesArray = $('input:checkbox:checked').map( function() {
    return this.value;
}).get().join(",");
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  • 無奈伤痛
    2021-01-04 03:40 
    var valuesArray = $('input[name="valuehere"]:checked').map(function () {  
        return this.value;
        }).get().join(",");

    works for me always

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  • 梦谈多话
    2021-01-04 03:42

    jQuery how to get multiple checkbox's value and output as comma separated String list.

    https://www.tutsmake.com/jquery-multiple-checkbox-values-to-comma-separated-string/

        $(document).ready(function() {
        $(".btn_click").click(function(){
 
            var programming = $("input[name='programming']:checked").map(function() {
                return this.value;
            }).get().join(', ');
 
            alert("My favourite programming languages are: " + programming);
        });
    });
    <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Get Values of Selected Checboxes</title>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
</head>
<body>
    <form>
        <h3>Select your favorite Programming Languages :</h3>
        <label><input type="checkbox" value="PHP" name="programming"> PHP</label>
        <label><input type="checkbox" value="Java" name="programming"> Java</label>
        <label><input type="checkbox" value="Ruby" name="programming"> Ruby</label>
        <label><input type="checkbox" value="Python" name="programming"> Python</label>
        <label><input type="checkbox" value="JavaScript" name="programming"> JavaScript</label>
        <label><input type="checkbox" value="Rust" name="programming">Rust</label>
        <label><input type="checkbox" value="C" name="programming"> C</label>
        <br>
        <button type="button" class="btn_click" style="margin-top: 10px;">Click here to Get Values</button>
    </form>
</body>
</html>

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  • 终归单人心
    2021-01-04 03:47

    You can use :checkbox and name attribute selector (:checkbox[name=example\\[\\]]) to get the list of checkbox with name="example[]" and then you can use :checked filter to get only the selected checkbox.

    Then you can use .map function to create an array out of the selected checkbox.

    DEMO

    var output = $.map($(':checkbox[name=example\\[\\]]:checked'), function(n, i){
      return n.value;
}).join(',');
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