<html>
<head> <script type="text/javascript" language="javascript" src="./js/jquery.js"></script> <script type="text/javascript" language="javascript"> $(document).ready(function(){ $("#change").change(function(){ alert('test'); }); }) </script> </head> <form id="demo" name="demo"> <select id="change"> <option value="1">a</option> <option value="2">b</option> <option value="3">c</option> </select> </form> </html>
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