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Editorial Team
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Asked: 2026-06-01T16:42:34+00:00

I need $(‘.mk[value=x]’) to work, but it does Not while $(‘.mk[value=1]’) does. Please someone

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I need $('.mk[value=x]') to work, but it does Not while $('.mk[value=1]') does.
Please someone help

<body>
<span class="mk" value="1">1</span>
<span class="mk" value="1">1</span>
<span class="mk" value="3">3</span>
<input id="update" type="button" value="1" />
</body>

<script type="text/javascript">
$('#update').click(function(){
    var x = this.value //--> x =1 
       $('.mk[value=x]').each(function(key, value) { //--> NOT WORKING !
       $('.mk[value=1]').each(function(key, value) { //--> WORKING !
       $(this).replaceWith('<span class="mk" value="2">2</span>')
       });
    })
</script>
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1 Answer

  1. Editorial Team

    You need to append the x variable to the string:

    $(".mk[value='" + x + "']").each(function(key, value)

    Also, you should note that value is not a valid attribute of span, so this code will cause validation issues.

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