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Asked: 2026-05-14T00:21:58+00:00

I am trying to get the code of an event using the event.which jQuery

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I am trying to get the code of an event using the event.which jQuery function. It is working great in FF, but in IE8 I am only getting “undefined”. Is there some reason this would not work in IE8? I am using jQuery version 1.3.2 and the code is bellow (simplified).

function handleInput(event) {
   //Get the character code of the pressed button
   keycode = event.which;
}

Thanks,
Metropolis

** EDITED **

Basically what I want to be able to do is have an HTML element with an onkeyup event attribute which will call to the handleInput function. Here is what I want the HTML to look like.

<input type="text" value="" onkeyup="handleInput(event)" />

Is there a way to pass “event” like this and have jQuery recognize it?

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1 Answer

  1. Editorial Team

    jQuery does support event.which. How exactly are you binding your handler? Are you using jQuery? If you’re doing:

    jQuery("#element").click(function(evt) {
 //evt is a jQuery-normalized event object

});

    It should work. You probably don’t want to use event (notice that I am passing in evt versus event) as the parameter since it will collide with IE’s event object. I believe this is the source of your problem.

    EDIT

    After reading your comment, you need to do something like this in a Javascript file that you reference from <HEAD>:

    jQuery(document).ready(function() {
   //event-handling binding-code
});
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