JavaScript String trim()
Example 1
Remove spaces with trim():
let text = " Hello World! ";
let result = text.trim();
Try it Yourself »
let result = text.trim();
Remove spaces with replace() using a regular expression:
let text = " Hello World! ";
let result = text.replace(/^\s+|\s+$/gm,'');
Try it Yourself »
let result = text.replace(/^\s+|\s+$/gm,'');
Description
The trim() method removes whitespace from both sides of a string.
The trim() method does not change the original string.
Syntax
string.trim()
Parameters
NONE
Return Value
Type
Description
A string A string with removed whitespace from both ends.
Browser Support
trim() is an ECMAScript5 (ES5 2009) feature.
JavaScript 2009 is supported in all browsers since July 2013:
| Chrome 23 |
IE/Edge 11 |
Firefox 21 |
Safari 6 |
Opera 15 |
| Sep 2012 | Sep 2012 | Apr 2013 | Jul 2012 | Jul 2013 |