javascript-if

Question 1

Give 6 examples of comparison operators.

Answer 1

1. > (less then);
2. < (more than);
3. > = (more than or equal to);
4. <= (less than or equal to);
5. === (strictly equal);
6. !== (strictly not equal).

Question 2

What data type do comparison expressions evaluate to?

Answer 2

Boolean.

Question 3

What is the purpose of an if statement?

Answer 3

The if statement evaluates (checks) a condition.

Question 4

Is else required in order to use an if statement?

Answer 4

No.

Question 5

Describe the syntax (structure) of an if statement.

Answer 5

Keyword if;
Condition;
Opening curly brace;
Code to execute if value is true;
Closing curly brace.

Question 6

How do you compare two different expressions in the same condition?

Answer 6

Using logical operators.