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WMLScript Reference WMLScript Reference

WMLScript > String > isEmpty()

isEmpty() - The isEmpty Function

Usage:

isEmpty(string)

Description: Returns a boolean true if the string length is zero and boolean false otherwise.

Example:

var a = "Hello";
var b = "";
var c = String.isEmpty(a);    // c = false
var d = String.isEmpty(b);    // d = true
var e = String.isEmpty(true); // e = false

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