Scriptin’ with JavaScript and Ajax: A Designer’s Guide

Appendix B. Data

Array Object

The Array object is used to store multiple values in a single variable. Syntax for creating an Array object:

var myCars=new Array("Saab","Volvo","BMW")

To access and to set values inside an array, you must use the index numbers as follows:

• myCars[0] is the first element

• myCars[1] is the second element

• myCars[2] is the third element

Array Object Properties

Property	Description	FF	IE
constructor	Returns a reference to the array function that created the object	1	4
index	Returns zero based index of the match in the string	1	4
input	Returns original string against which regular expression was matched	1	4
length	Sets or returns the number of elements in an array	1	4
prototype	Allows you to add properties and methods to the object	1	4

Array Object Methods ...