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JavaScript TypedArray subarray() Method

JavaScript TypedArray subarray() Method with example, join() method, javascript typedarray methods, keys() method, indexOf() method, includes() method, forEach() method, entries(), every(), find(), filter(), copyWithin() method etc.

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JavaScript TypedArray subarray() Method

The JavaScript subarray() method gives the selected elements of the array and it does not change the original array.

Syntax:

Array.subarray(start, end)

Parameters:

Start(Optional): Starting position where to start the selection.

End(Optional): Ending position where to end the selection.

Return value: Returns a new array that contains some part of the array.

Return value:

Browser Support:

Chrome Yes
Safari Yes
Firefox Yes
Opera Yes

Example 1

JavaScript TypedArray subarray() Method.

<script>
//JavaScript to illustrate subarray() method
function JavaTpoint() {
   //Original Array
    var arr = new Uint8Array([12,34,56]);
    //Extracted array
    var new_arr = arr.subarray(2);  
    document.write("without using subarray() method <br>");
    document.write(arr);
    document.write("<br>");
    document.write("using slice() method <br>");
    document.write(new_arr);
// expected output:56
}
JavaTpoint();
</script>
Test it Now

Output:

56

Example 2

JavaScript TypedArray subarray() Method.

<script>
//JavaScript to illustrate subarray() method
function JavaTpoint() {
//Original Array
    var arr = new Uint8Array([12,34,56,45,67]);
    //Extracted array
    var new_arr = arr.subarray(0,4);  
    document.write("without using subarray() method <br>");
    document.write(arr);
    document.write("<br>");
    document.write("using slice() method <br>");
    document.write(new_arr);
// expected output:12,34,56,45
}
JavaTpoint();
</script>
Test it Now

Output:

12,34,56,45

Next TopicJavaScript TypedArray Object




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