IE 8 javascript problem

Question

Hi following code throws the "Object doesn't support this property or method" error in IE.. var value = $input.val().replace(/ /g, '').trim(); It is part of form validation, in every other browser is it working well, but in IE it doesnt..please help

trim() was introduced with ECMAScript 5 and IE8 does not support this. Actually it does not seem you need trime anyway, because you already remove every space by calling replace(/ /g, ''). If you are worried about the other whitespace characters, you could use \s: $input.val().replace(/\s+/g, ''). — Felix Kling
– Felix Kling, Commented Apr 11, 2011 at 22:10

Blender · Accepted Answer · 2011-04-11 22:10:25Z

3

As was commented on your question, IE8 doesn't support trim(). jQuery includes the trim() function, so I'd use that:

var value = jQuery.trim($input.val().replace(/ /g, ''));

answered Apr 11, 2011 at 22:10

Blender

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1 Comment

simekadam Over a year ago

Sorry, I can only accept only one answer:)But thanks, I'd read the api and not mindless autowrite the code:DI thought I was using trim form jQuery..Everything clear already

Community · Accepted Answer · 2017-05-23 12:13:17Z

2

From Ben Rowe: Add the following code to add trim functionality to the string.

if(typeof String.prototype.trim !== 'function') {
  String.prototype.trim = function() {
    return this.replace(/^\s+|\s+$/g, ''); 
  }
}

edited May 23, 2017 at 12:13

CommunityBot

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answered Apr 11, 2011 at 22:07

rebelliard

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