Consider the following code snippet :
var a = ;
The final output for the shift() is
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1) The reduce and reduceRight methods follow a common operation called
2) The pop() method of the array does which of the following task ?
3) Consider the code snippet given below
var count = [1,,3];
What is the observation made?
4) Consider the following code snippet :
var a = [1,2,3,4,5];
What is the possible output for the above code snippet ?
5) The method or operator used to identify the array is