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JavaScript - Array splice() Method
Description
Javascript array splice() method changes the content of an array, adding new elements while removing old elements.
Syntax
Its syntax is as follows −
array.splice(index, howMany, [element1][, ..., elementN]);
Parameter Details
index − Index at which to start changing the array.
howMany − An integer indicating the number of old array elements to remove. If howMany is 0, no elements are removed.
element1, ..., elementN − The elements to add to the array. If you don't specify any elements, splice simply removes the elements from the array.
Return Value
Returns the extracted array based on the passed parameters.
Example
Try the following example.
<html> <head> <title>JavaScript Array splice Method</title> </head> <body> <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); </script> </body> </html>
Output
After adding 1: orange,mango,water,banana,sugar,tea removed is: After adding 1: orange,mango,water,sugar,tea removed is: banana
javascript_arrays_object.htm
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