Discussion :: Javascript - CS
- The let keyword can be used
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A.
in a for or for/in loop, as a substitute for var |
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B.
as a block statement, to define new variables |
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C.
to define variables that are scoped to a single expression |
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D.
all of the mentioned |
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Answer : Option D
Explanation :
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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