Consider the following code snippet :
 if (!a[i]) continue;

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Consider the following code snippet :

 if (!a[i]) continue;

What is the observation made ?



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2) The pop() method of the array does which of the following task ?

3) The method or operator used to identify the array is

4) Consider the following code snippet :

  var a = [];
a.unshift(1);
a.unshift(22);
a.shift();
a.unshift(3,[4,5]);
a.shift();
a.shift();
a.shift();

The final output for the shift() is

5) Consider the following code snippet :

 if (!a[i]) continue;

What is the observation made ?

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