The let keyword can be used
A. in a for or for/in loop, as a substitute for var
B. as a block statement, to define new variables
C. to define variables that are scoped to a single expression
D. all of the mentioned
Answer: Option D
Solution (By Examveda Team)
The let keyword can be used in four ways :1. as a variable declaration like var;
2. in a for or for/in loop, as a substitute for var;
3. as a block statement, to define new variables and explicitly delimit their scope; and
4. to define variables that are scoped to a single expression.
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