Cranky Bit » JavaScript http://blog.crankybit.com Take a byte out of tech! Wed, 09 Mar 2011 17:23:58 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Trimming a String in JavaScript http://blog.crankybit.com/trimming-a-string-in-javascript/ http://blog.crankybit.com/trimming-a-string-in-javascript/#comments Thu, 03 Jul 2008 15:30:12 +0000 Josh http://blog.crankybit.com/?p=307 This is a nice clean way to implement string trimming for the String object in JavaScript:

PLAIN TEXT
JavaScript:
  1. String.prototype.trim = function()
  2. {
  3.    return this.replace(/^\s+|\s+$/g,"");
  4. }

With that implemented, you can then trim a string in the object-oriented way you would prefer and love:

PLAIN TEXT
JavaScript:
  1. var myStr="This is a test!   ";
  2. alert(myStr.trim());

This is handy for client-side clean-up of form information, although bear in mind that depending on client-side code for data entry clean-up isn't necessarily wise unless you have some server-side code also checking the data.

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