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