JavaScript | ArrayBuffer.isView()
The ArrayBuffer.isView() is an inbuilt function in JavaScript which is used to check whether the given argument for the function is typed array or not.
List of typed array:
Syntax:
ArrayBuffer.isView(p)
Parameters: It accepts a parameter either in the form of typed array or something else.
Return Values:It returns true if the parameter is typed array otherwise return false.
Code #1:
<script> // Creation of ArrayBuffer having a size in bytes var buffer = new ArrayBuffer(12); // Use of ArrayBuffer.isView function A = ArrayBuffer.isView(new Int32Array()) document.write(A); </script> |
Output:
true
Note: Here output is true because Int32Array is a typed array.
Code #2:
<script> // Creation of ArrayBuffer having size in bytes var buffer = new ArrayBuffer(12); // Use of ArrayBuffer.isView function A = ArrayBuffer.isView(); B = ArrayBuffer.isView(null); C = ArrayBuffer.isView(undefined); // Printing the result document.write(A + '<br>'); document.write(B + '<br>'); document.write(C + '<br>'); </script> |
Output:
false false false
Note:Here output is false because above arguments are not typed array.
