JavaScript Array Splice function

Source: Internet
Author: User
Tags javascript array

// the original array var array = ["One", "one", "four"]; // Splice (position, Numberofitemstoremove, item) // stitching function (index position, number of elements to delete, Element)Array.splice (2, 0, "three"); array;   // now the array is like this ["one", "Three ", "four"]
function (Index, item) {  this. Splice (index,0, item);}; You can do this later with var nums = ["One", "one", "one", "four"];nums.insert (//  Note Array index, [0,1,2 ...] Array    //  ["One", "one", "three", "four"]
The instance extracts two elements from position 2 and adds a new element to the 2nd position in the array: var fruits = ["Banana", "Orange", "Apple", "Mango"];fruits.splice (2,2); Fruits output: Banana, Orange

Parameter values
Parameters Description
Index Necessary. Specifies where to add/remove elements from.
This parameter is the subscript that begins inserting and/or deleting an array element, which must be a number.
Howmany Necessary. Specifies how many elements should be deleted. Must be a number, but it can be "0".
If this parameter is not specified, all elements from index start to the end of the original array are deleted.
item1, ..., ItemX Optional. The new element to add to the array
return value

Type Description
Array If the element is removed from the Arrayobject, the array containing the deleted element is returned.

JavaScript Array Splice function

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