chrome will run adschorme.js auto ,this make my $.fn.extend undefined
<script type="text/javascript" src="/resource/base/JQUERY-1.9.1.JS"></script>
<script>
$.fn.extend($.fn,{aa:function(){alert("aa");}})
$().ready(function(){
$("#reg_form").aa(); //success ,$.fn.aa return right function
$("#reg_form :input").focus(function(){
$("#reg_form").aa(); //error,chrome sign : object[object object] has no mothod 'aa',because chrome run adschorme.js auto ,when breakpoint set to adschorme,$.fn.aa return undefined
});
});
</script>
<body>
<div id="reg_form">
<input type="text" />
</div>
</body>