Q
How do you write an assignment statement to decrement a by 1 in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The -= operator decrements a by the specified value (1 in this case).
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What is the value of let a = 5; a *= 2 + 3;?

A). 25

B). 10

C). 15

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What does the += operator do?

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What will be the value of b after let b = null; b ??= 'default';?

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D). 7

What does let a = 2; a **= 3; evaluate to?

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What does let e = 6; e <<= 1; evaluate to?

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