From http://www.w3schools.com (Copyright Refsnes Data)

WMLScript trim() Function

WMLScript String Library Complete WMLScript String Library

The trim() function returns a string without leading and trailing spaces.

Syntax

n = String.trim(string)

Part Description
n The string returned from the function
string A string

Example

var a = String.trim(" Visit W3Schools ");

Result

a = "Visit W3Schools"

WMLScript String Library Complete WMLScript String Library

From http://www.w3schools.com (Copyright Refsnes Data)