Removes the leading and trailing white space and line terminator characters from a string.
String object or string literal. This string is not modified by the
The original string with leading and trailing white space and line terminator characters removed.
The characters that are removed include space, tab, form feed, carriage return, and line feed. See Special Characters for a comprehensive list of white space and line terminator characters.
For an example that shows how to implement your own trim method, see Prototypes and Prototype Inheritance.
The following example illustrates the use of the
var message = " abc def \r\n "; document.write("[" + message.trim() + "]"); document.write("<br/>"); document.write("length: " + message.trim().length); // Output: // [abc def] // length: 7
Supported in the following document modes: Internet Explorer 9 standards, Internet Explorer 10 standards, and Internet Explorer 11 standards. Also supported in Store apps (Windows 8 and Windows Phone 8.1). See Version Information.
Not supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards.