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Remove An Element From An Array In JavaScript


How To Remove An Element From An Array In JavaScript?

> Her we conside how to remove an element from an array in JavaScript.
> Lets start with one example here.
> Suppose inside Script region, we have an array as shown here.

var array = [4, 8, 12, 16, 20];


> Now, we wants to remove 12 from above array.
> The best way is that we can make use of array.indexOf() method.
> By using indexOf method, we can find the index of an element.
> Here the index of element 12 is 2.
> And then we have to make use of array.splice()

array.splice(startIndex, deleteCount)


> startIndex is, Index at which to start changing the array (with origin 0).
> deleteCount is, An integer indicating the number of old array elements to be removed.
> In the above case, splice can be used as shown here.

array.splice(2, 1);


> Inside array, from index 2, remove one element which is 12.
> By this way we can remove an element from an array in JavaScript.

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