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Editorial Team
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Asked: 2026-05-25T10:49:35+00:00

I’m new to using jQuery. I tried to build a plugin, but it didn’t

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I’m new to using jQuery. I tried to build a plugin, but it didn’t work. Why?

Here is what I have:

<head>
    <script src="http://code.jquery.com/jquery-latest.js"></script>
    <script type="text/javascript">
    (function($){
        $.alert = function(settings){
        var config = {
            // settings
            'text': "old text",
            'smily': ":(",
            // ...
        };
        if ( settings ){$.extend(config, settings);}
        // variables
        var i = 0;
        // script
        alert(config.text + " " + config.smily);
    };
    </script>    
</head>

<body>
<script type="text/javascript">
$(document).ready(function() {
  $.alert(text: "new text", smily: ";)");
});
</script>
</body>
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1 Answer

  1. Editorial Team

    Assign the $.extend return value (similar question)

    if (settings) { config = $.extend( {}, config, settings ); }

    And call it like this:

    $(document).ready(function() {
  $.alert( { text: "new text", smily: ";)" } );
});

    Also remove the coma from the last default value 'smily': ":(",

    Click here for a working demo.

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