ActionScript for Flash MX: The Definitive Guide, Second Edition

String.slice() Method

This is the Title of the Book, eMatter Edition

Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.

Alphabetical Language Reference

|

811

Description

The length property returns the number of characters in string. Note that a null character

(ASCII 0) does not signal the end of a string, as it would in some languages (such as C), but

neither is it counted in the string’s

length. For example:

// Create the string "A" + null + "B"

var myString = String.fromCharCode(65,0,66);

trace(myString.length); // Displays: 2 (The null character is ignored)

Example

var myString = "hello";

trace (myString.length); // Displays: 5

trace ("hello".length); // Displays: 5

// Here we convert the number 1000 to a string in order to test its length

var age = 1000;

// Display an error message if the number has the wrong number of digits

if (String(age).length != 2) {

trace ("Please enter a two-digit number");

}

See Also

Array.length(); “The length property,” in Chapter 4

String.slice() Method

extract a substring from a string, based on positive or negative character positions

Flash 5

string.slice(startIndex, endIndex)

Arguments

startIndex The integer position of the first character to extract from string.IfstartIndex

is negative, the position is measured from the end of the string, where –1 is

the last character, –2 is the second-to-last character, and so on (i.e., a nega-

tive

startIndex specifies the ...