WAP Development with WML and WMLScript

String Library

The String library contains a set of string functions. In WMLScript, a string is essentially an array of characters, the first element of which is at offset 0.

charAt

Description: Returns the character at the specified position in a string.

Syntax: String.charAt(string,index)

Example: The following example returns the first letter of a user's name:

// Get initial
var initial=String.charAt(first_name, 0);

compare

Description: Compares two strings. Returns 1 if first string is greater than the second string, 0 if both strings are the same, or -1 if first string is less than the first string.

Syntax: String.compare(string1,string2)

Example: The following example (part of a sorting routine) compares two strings and switches them ...