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JavaScript splice() Method

Array Object Reference JavaScript Array Object

Definition and Usage

The splice() method adds and/or removes elements to/from an array, and returns the removed element(s).

Note: This method changes the original array!

Syntax

array.splice(index,howmany,element1,.....,elementX)

Parameter Description
index Required. An integer that specifies at what position to add/remove elements
howmany Required. The number of elements to be removed. If set to 0, no elements will be removed
element1, ..., elementX Optional. The new element(s) to be added to the array


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

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


Examples

Example 1

Add an element to position 2 in the array:

<script type="text/javascript">

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.write("Added: " + fruits.splice(2,0,"Lemon") + "<br />");
document.write(fruits);

</script>

The output of the code above will be:

Added:
Banana,Orange,Lemon,Apple,Mango

Try it yourself »

Example 2

Remove one element from position 2, and add a new element to position 2 in the array:

<script type="text/javascript">

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.write("Removed: " + fruits.splice(2,1,"Lemon") + "<br />");
document.write(fruits);

</script>

The output of the code above will be:

Removed: Apple
Banana,Orange,Lemon,Mango

Try it yourself »

Example 3

Remove two elements, start from position 2, and add a new element to position 2 in the array:

<script type="text/javascript">

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.write("Removed: " + fruits.splice(2,2,"Lemon") + "<br />");
document.write(fruits);

</script>

The output of the code above will be:

Removed: Apple,Mango
Banana,Orange,Lemon

Try it yourself »


Array Object Reference JavaScript Array Object

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