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Javascript Array splice() Method

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Javascript array splice() method changes the content of an array, adding new elements while removing old elements.


array.splice(index, howMany, [element1][, ..., elementN]);

Here is the detail of parameters:

Return Value:

Returns the extracted array based on the passed parameters.


<title>JavaScript Array splice Method</title>
<script type="text/javascript">
var arr = ["orange", "mango", "banana", "sugar", "tea"];

var removed = arr.splice(2, 0, "water");
document.write("After adding 1: " + arr );
document.write("<br />removed is: " + removed);

removed = arr.splice(3, 1);
document.write("<br />After adding 1: " + arr );
document.write("<br />removed is: " + removed);


This will produce following result:

After adding 1: orange,mango,water,banana,sugar,tea
removed is: 
After adding 1: orange,mango,water,sugar,tea
removed is: banana 

To understand it in better way you can Try it yourself.

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