User Guide

796 Chapter 2:

String.charCodeAt()

Availability

Flash Player 5.

Usage

my_str.charCodeAt(index:Number) : Number

Parameters

index

A number; an integer that specifies the position of a character in the string. The first

character is indicated by

0, and the last character is indicated by my_str.length - 1.

Returns

A number; an integer.

Description

Method; returns a 16-bit integer from 0 to 65535 that represents the character specified by

index. If index is not a number from 0 to string.length - 1, NaN is returned.

This method is similar to

String.charAt() except that the returned value is a 16-bit integer

character code, not a character.

Example

In the following example, this method is called on the first letter of the string "Chris":

var my_str:String = "Chris";

var firstChar_num:Number = my_str.charCodeAt(0);

trace(firstChar_num); // output: 67