What is happening in the expression ++a?
A. The value of a is increased by 2.
B. The value of a is increased by 1.
C. The value of a is multiplied by itself.
D. Nothing; this is not a valid JavaScript expression.
Answer:B
What is happening in the expression ++a?
A. The value of a is increased by 2. B. The value of a is increased by 1. C. The value of a is multiplied by itself. D. Nothing; this is not a valid JavaScript expression.