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Editorial Team
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Asked: 2026-05-16T09:57:59+00:00

now i get value if i selected checkbox(id which was selected), but how get

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now i get value if i selected checkbox(id which was selected),
but how get value when i unselected (id which was unselected)?

For example I push on 1, and i get value 1. When I unselect 1, i get value 1.
I hope you understand my problem.

<script>
$(document).ready(function()
{
    $("input[type=checkbox]").change(function(event){
        $("#result").html("&id=" + this.value);
    });
});
</script>
</head>                                                                 
<body>                                                                
<input type="checkbox" name="checkbox_pref" value = "1"/>1
<input type="checkbox" name="checkbox_pref" value = "2"/>2
<input type="checkbox" name="checkbox_pref" value = "3"/>3 
<div id="result">result ...</div>
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1 Answer

  1. Editorial Team

    I simply create an array with all the checked values.

    Then i can use join to create string out of it for later use.

    $(document).ready(function() {
    var $inputs = $("input[type=checkbox]");
    $inputs.change(function(event){
        var list = [];
        $inputs.filter(':checked').each(function() {
            list.push($(this).val());
        });
        $("#result").html("&id=" + list.join(",")); // Produces: &id = 1,2,3 (If they were all checked)
    });
});

    ​

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