[jquery] JavaScript Array splice() Method

출처 : http://www.w3schools.com/jsref/jsref_splice.asp

JavaScript Array splice() Method

 JavaScript Array Object

Example

Add items to the array:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,0,"Lemon","Kiwi");

The result of fruits will be:

Banana,Orange,Lemon,Kiwi,Apple,Mango

Try it yourself »

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Definition and Usage

The splice() method adds/removes items to/from an array, and returns the removed item(s).

Note: This method changes the original array.

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Browser Support

    

The splice() method is supported in all major browsers.

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Syntax

array.splice(index,howmany,item1,.....,itemX)

Parameter Values

Parameter	Description
index	Required. An integer that specifies at what position to add/remove items, Use negative values to specify the position from the end of the array
howmany	Required. The number of items to be removed. If set to 0, no items will be removed
item1, ..., itemX	Optional. The new item(s) to be added to the array

Return Value

Type	Description
Array	A new array containing the removed items, if any

Technical Details

JavaScript Version:	1.2

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More Examples

Example

At position 2, add the new items, and remove 1 item:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 1, "Lemon", "Kiwi");

The result of fruits will be:

Banana,Orange,Lemon,Kiwi,Mango

Try it yourself »

Example

At position 2, remove 2 items:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 2);

The result of fruits will be:

Banana,Orange

Try it yourself »