JavaScript | typedArray.set() with Example

The typedArray.set() is an inbuilt function in JavaScript which is used to stores a number of values in the given typedArray.

typedArray.set(typedArray, offset)

Parameters: It accept two parameters which are specified below-

typedarray: It is the source array.

offset: It is optional and it is into the typedArray at which to begin setting the values. Its default values is zero (0).

Return value: It returns the new formed typedArray.
JavaScript code to show the working of this function:

<script> 
  
  // Creating some buffers with sizes in bytes 
  const buf1 = new ArrayBuffer(8); 
  const buf2 = new ArrayBuffer(12); 
  const buf3 = new ArrayBuffer(16); 
  
  // Creating some typedArray 
  const A = new Uint8Array(buf1); 
  const B = new Uint8Array(buf2); 
  const C = new Uint8Array(buf3); 
  
  // Coping the values into the array 
  // starting at index 3, 4, 5 
  A.set([ 1, 2, 3, 4 ], 3); 
  B.set([ 1, 2, 3, 5, 6 ], 4); 
  C.set([ 1, 2 ], 5); 
  
  // Priniting modified values 
  document.write(A +"<br>"); 
  document.write(B +"<br>"); 
  document.write(C); 
    
</script> 

Output:

0,0,0,1,2,3,4,0
0,0,0,0,1,2,3,5,6,0,0,0
0,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0

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