Home
Manage Your Code
Snippet: Javascript whitespace trim function (JavaScript)
Title: Javascript whitespace trim function Language: JavaScript
Description: A function to trim whitespace off the front and end of a string Views: 91
Author: Thomas Steffes Date Added: 12/4/2008
Copy Code  
function trim (str) 
{
	var whitespace = ' \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000';
	for (var i = 0; i < str.length; i++) 
	{
		if (whitespace.indexOf(str.charAt(i)) == -1) 
		{
			str = str.substring(i);
			break;
		}
	}
	            
	for (i = str.length - 1; i >= 0; i--) 
	{
		if (whitespace.indexOf(str.charAt(i)) == -1)
		{
			str = str.substring(0, i + 1);
			break;
		}
	}
	            
        return whitespace.indexOf(str.charAt(0)) == -1 ? str : '';
}