The subarray method in JavaScript retrieves a specified range of elements from an array without modifying the original array.
Syntax:
Example
Array.subarray(start, end)
Parameters:
Start (Optional): The initial point from which the selection process begins.
End(Optional): The concluding position that determines where the selection will cease.
Return value: Produces a fresh array that encompasses a portion of the original array.
Return value:
Browser Support:
| Chrome | Yes |
|---|---|
| Safari | Yes |
| Firefox | Yes |
| Opera | Yes |
Example 1
JavaScript TypedArray subarray Method.
Example
<script>
//JavaScript to illustrate subarray() method
function pyVisualizer() {
//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
}
runExample();
</script>
Output:
Example 2
JavaScript TypedArray subarray Method.
Example
<script>
//JavaScript to illustrate subarray() method
function pyVisualizer() {
//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
}
runExample();
</script>
Output:
Output
12,34,56,45
