Overriding javascript events

overriding inline javascript event

by kuyabiye

HTML

<input type="text" id="txt" onkeyup="javascript: alert('keyup');" />

JavaScript

jQuery(document).ready(function(){
     
    var old = $("#txt")[0].onkeyup;
     $("#txt")[0].onkeyup = function() {};
    
     
    $("#txt").keyup(function(event){

        alert("before old call");
        old.call(this);
        alert("after old call");
    });

});