What is a closure?
A. Function objects
B. Scope where function’s variables are resolved
C. Both Function objects and Scope where function’s variables are resolved
D. None of the mentioned
Answer: Option C
Solution(By Examveda Team)
A combination of a function object and a scope (a set of variable bindings) in which the function’s variables are resolved is called a closure.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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