Change inline onkeyup function?

Question

I have the following textarea:

<textarea cols="50" rows="4" id="textbox" onkeyup="limitArea(this, 255, '')"></textarea>

What i need it the onkeyup function to instead read onkeyup="limitArea(this, 150, '')" -- the problem is, I can't edit this part of the code directly.

I tried this with no success:

$('textarea[onkeyup="limitArea(this, 255, \'\')"]').attr('onkeyup', 'limitArea(this, 255, \'\')');

Any other ideas?

I noticed your textarea has an ID...why not select it with $("#textbox") — tymeJV
– tymeJV, Commented Mar 27, 2013 at 21:47
The jQuery works, but I must be going blind, cause it does'nt look like you are changing anything to me? The inline handler is exactly the same both places. See this FIDDLE, and inspect the elements, and you'll see it's changed ! — adeneo
– adeneo, Commented Mar 27, 2013 at 21:47

adeneo · Accepted Answer · 2013-03-27 21:50:19Z

3

You need to actually change something, and not just give it the same value :

$(function() {
    $('textarea[onkeyup="limitArea(this, 255, \'\')"]')
                .attr('onkeyup', 'limitArea(this, 150, \'\')');
});                                     //changed ^^^^

FIDDLE

As ID's are unique, it would be a lot easier to target the element with the ID:

$('#textbox')

answered Mar 27, 2013 at 21:50

adeneo

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1 Comment

Samsquanch Over a year ago

Oddly enough, in the code I was playing with it wasn't working and it was the same as yours (I thought -- and yes, I had 150 in mine). But, I posted this, came back, and tried again with yours and lo and behold it starts working. But, oh well, working code is working code. Thanks!

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