JavaScript Array Methods
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Posted By:   newsamjs
Posted On:   Friday, September 20, 2013 01:11 AM

Method Description concat() Returns a new array comprised of this array joined with other array(s) and/or value(s). every() Returns true if every element in this array satisfies the provided testing function. filter() Creates a new array with all of the elements of this array for which the provided filtering function returns true. forEach() Calls a function for each element in the array. indexOf()    More>>

Method

Description

concat()

Returns a new array comprised of this array joined with other array(s) and/or value(s).

every()

Returns true if every element in this array satisfies the provided testing function.

filter()

Creates a new array with all of the elements of this array for which the provided filtering function returns true.

forEach()

Calls a function for each element in the array.

indexOf()

Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.

join()

Joins all elements of an array into a string.

 

lastIndex()

Returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found.

map()

Creates a new array with the results of calling a provided function on every element in this array.

pop()

Removes the last element from an array and returns that element.

push()

Adds one or more elements to the end of an array and returns the new length of the array.

reduce()

Apply a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value.

reduceRight()

Apply a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value.

reverse()

Reverses the order of the elements of an array -- the first becomes the last, and the last becomes the first.

shift()

Removes the first element from an array and returns that element.

slice()

Extracts a section of an array and returns a new array.

some()

Returns true if at least one element in this array satisfies the provided testing function.

toSource()

Represents the source code of an object

 

sort()

Sorts the elements of an array.

splice()

Adds and/or removes elements from an array.

toString()

Returns a string representing the array and its elements.

unshift()

Adds one or more elements to the front of an array and returns the new length of the array.



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