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:

Int8Array();

Uint8Array();

Uint8ClampedArray();

Int16Array();

Uint16Array();

Int32Array();

Uint32Array();

Float32Array();

Float64Array();

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.

JavaScript code to show the working of ArrayBuffer.isView() function:
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.

JavaScript | ArrayBuffer.isView()

tags:

leave a comment

0 Comments

Subscribe to Our Newsletter

Top Followed books