For the below mentioned code snippet:
var o = new Object();
The equivalent statement is:
var o = new Object();
A. var o = Object();
B. var o;
C. var o= new Object;
D. Object o=new Object();
Answer: Option C
Solution(By Examveda Team)
You can always omit a pair of empty parentheses in a constructor invocation.Consider the code snippet given below
var count = [1,,3];
A. The omitted value takes “undefined”
B. This results in an error
C. This results in an exception
D. None of the mentioned
A. true false
B. false true
C. true true
D. false true
The pop() method of the array does which of the following task ?
A. decrements the total length by 1
B. increments the total length by 1
C. prints the first element but no effect on the length
D. None of the mentioned
Consider the following code snippet :
if (!a[i]) continue ;
A. Skips the undefined elements
B. Skips the non existent elements
C. Skips the null elements
D. All of the mentioned
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