X
HOME HTML5 CSS3 JAVASCRIPT SQL PHP5 JQUERY ANGULAR BOOTSTRAP3 XML MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

JavaScript String trim() Method

JavaScript String Reference JavaScript String Reference

Example

Remove whitespace from both sides of a string:

var str = "       Hello World!        ";
alert(str.trim());

The alert box will display:

Hello World!

Try it yourself »

More "Try it Yourself" examples below.


Definition and Usage

The trim() method removes whitespace from both sides of a string.

Note: The trim() method does not change the original string.


Browser Support

The numbers in the table specify the first browser version that fully supports the method.

Method
trim() 10.0 9.0 3.5 5.0 10.5


Syntax

string.trim()

Parameters

None.

Technical Details

Return Value: A String, representing the string with removed whitespace from both ends
JavaScript Version: 1.8


Examples

More Examples

Example

For browsers that do not support the trim() method, you can remove whitespaces from both sides of a string with a regular expression:

function myTrim(x) {
    return x.replace(/^\s+|\s+$/gm,'');
}

function myFunction() {
    var str = myTrim("        Hello World!        ");
    alert(str);
}

Try it yourself »


JavaScript String Reference JavaScript String Reference

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook