Why is the this keyword forbidden in JavaScript?
A. Highly memory consuming
B. Functions should access the global objects
C. Functions should not access the global objects
D. Very inefficient to use
Answer: Option C
Solution(By Examveda Team)
The this keyword is forbidden or restricted because functions (in non-strict mode) can access the global object through this. Preventing access to the global object is one of the key purposes of any sandboxing system.This Question Belongs to Javascript >> Classes And Modules
The behaviour of the instances present of a class inside a method is defined by
A. Method
B. Classes
C. Interfaces
D. Classes and Interfaces
The keyword or the property that you use to refer to an object through which they were invoked is
A. from
B. to
C. this
D. object
Consider the following code snippet :
var o = new F();
o.constructor === F
A. false
B. true
C. 0
D. 1
The basic difference between JavaScript and Java is
A. There is no difference
B. Functions are considered as fields
C. Variables are specific
D. Functions are values, and there is no hard distinction between methods and fields
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