String Class - MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference

String class

Availability
Flash Player 5 (became a native object in Flash Player 6, which improved
performance significantly).
Description
The String class is a wrapper for the string primitive data type, and provides methods and
properties that let you manipulate primitive string value types. You can convert the value of any
object into a string using the
All the methods of the String class, except for
, are generic, which means the methods call
substr()
operations, and you can use these methods with other non-String objects.
Because all string indexes are zero-based, the index of the last character for any string
.
x.length - 1
You can call any of the methods of the String class using the constructor method
using a string literal value. If you specify a string literal, the ActionScript interpreter automatically
converts it to a temporary String object, calls the method, and then discards the temporary String
object. You can also use the
Do not confuse a string literal with a String object. In the following example, the first line of code
creates the string literal
second_string
var first_string:String = "foo"
var second_string:String = new String("foo")
Use string literals unless you specifically need to use a String object.
Method summary for the String class
Method
String.charAt()
String.charCodeAt()
String.concat()
String.fromCharCode()
String.indexOf()
String.lastIndexOf()
String.slice()
String.split()
String.substr()
String()
String.length
first_string
:
Description
Returns the character at a specific location in a string.
Returns the value of the character at the specified index as a 16-bit
integer between 0 and 65535.
Combines the text of two strings and returns a new string.
Returns a string comprising the characters specified in the parameters.
Returns the position of the first occurrence of a specified substring.
Returns the position of the last occurrence of a specified substring.
Extracts a section of a string and returns a new string.
Splits a String object into an array of strings by separating the string
into substrings.
Returns a specified number of characters in a string, beginning at a
specified location.
ActionScript Language Reference
function.
,
concat() fromCharCode()
toString()
property with a string literal.
, and the second line of code creates the String object
CHAPTER 2
, , and
slice()
before performing their
is
x
new String
String class
or
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