jQuery mouseover not working for li element -

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i'm trying make menu based on ul element show link description underneath link.

so far, have following code (simplified little)

      echo ' <script>         $("#menu_1").mouseover(function() {             $("#description").replacewith("test");         }); </script>  <ul class="menu_top"> <li id="menu_1"><a href = "#">test</a></li> </ul>  <div id="description" class="menu_desc">&nbsp; </div>  ';

however, everytime move mouse on li element, nothing happens.

does know i'm doing wrong?

javascript code executed encountered. might happen before document ready. in case, you're trying select #menu_1 element before exists in document. because want jquery code run after document ready, jquery provides shortcut method you:

$(function () {     // code run after whole document ready go     $("#menu_1")... });

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