Javascript functions on the 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")

Array Object Properties

Constructor Returns a reference to the array function that created the object

index

input

Length Sets or returns the number of elements in an array

Prototype Allows you to add properties and methods to the object

Array Object Methods

Method

concat() Joins two or more arrays and returns the result

join() Puts all the elements of an array into a string. The elements are separated by a delimiter

pop() Removes and returns the last element of an array

push() Adds one or more elements to the end of an array and returns the new length

reverse() Reverses the order of the elements in an array

shift() Removes and returns the first element of an array

slice() Returns selected elements from an existing array

sort() Sorts the elements of an array

splice() Removes and adds new elements to an array

toSource() Represents the source code of an object

toString() Converts an array to a string and returns the result

unshift() Adds one or more elements to the beginning of an array and returns the new length

valueOf() Returns the primitive value of an Array object