Q. What will be the output of following Javascript code:

Code:
var a = []; 
a.unshift(1); 
a.unshift(22);
a.shift(); 
a.unshift(3,[4,5]); 
a.shift(); 
a.shift();
a.shift();
  • (A) 1
  • (B) [3,4,5]
  • (C) [4,5]
  • (D) Exception is thrown
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βœ… Correct Answer: (A) 1

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