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JavaScript TypedArray keys() Method

The JavaScript keys() method is an inbuilt function in JavaScript. This method returns an Array Iterator object with the keys of an array.

What is Iterator?

An iterator is an object that keeps track of its current position, while accessing items in a collection one at a time.

An iterator returns an object with two properties: key and value.



No parameters.

Return value:

It returns a new array iterator object containing the keys for each index of the elements of the given array.

Browser Support:

Chrome 38.0
Edge 8
Firefox 28.0
Opera 25.0


JavaScript TypedArray keys() Method

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