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JavaScript | typedArray.set() with Example

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  • Last Updated : 07 Aug, 2021
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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:  

Javascript




<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);
 
  // Copying 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);
 
  // Printing 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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