- 1: 20, "inside" and 20, "outside" - 2: 20, "inside" and 10, "outside" - 3: 10, "inside" and 10, "outside" - 4: 10, "inside" and 20, "outside"

##### Answer: 2 The variable "a" declared inside "if" has block scope and does not affect the value of the outer "a" variable.

JavaScript Coding Exercise 79 | JSCodingQuestions.com

javascript

1let a = 10;
2
3if (true) {
4
5let a = 20;
6
7console.log(a, "inside");
8}
9
10console.log(a, "outside");

20, "inside" and 20, "outside"

20, "inside" and 10, "outside"

10, "inside" and 10, "outside"

10, "inside" and 20, "outside"