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Array Object methods


This article explains about JavaScript Array Object methods


Methods



concat()


Syntax: Array.concat(arrayName2, arrayName3, ..., arrayNameN)

Joins two or more arrays and returns the result .

join()


Syntax : Array.join(separator)
Puts all the elements of an array into a string. The elements are separated by a specified delimiter like ,

pop()


Removes and returns the last element of an array .This will effect length of the array.
Syntax: Array.pop()

push()


Adds one or more elements to the end of an array and returns the new length. This will effect length of the arrary.
Syntax: Array.push()

reverse()


Reverses the order of the elements in an array
Syntax: Array.reverse()

shift()


Removes and returns the first element of an array
Syntax: Array.shift() .This may effect length of the array.

slice()


Returns selected elements from an existing array
Syntax: Array.slice(begin[,end])

sort()


This sorts the elements of an array
Syntax: Array.sort(compareFunction)

splice()


Removes and adds new elements to an array

toSource()


Represents the source code of an object. This is inhertied from Object
Syntax: Array.toSource()

toString()


Converts an array to a string and returns the result .
Syntax: Array.unshift(element1,..., elementN)


unshift()


Adds one or more elements to the beginning of an array and returns the new length.This effects lengh of an array.
Syntax: Array.unshift(element1,..., elementN)

valueOf()


Returns the primitive value of an Array object. This is derived from Object
Syntax: Array.valueOf()






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