if statement

noun
UK /ɪf ˈsteɪtmənt/
US /ɪf ˈsteɪtmənt/

A line of code that does something only when a rule is true.

The program uses an if statement to check if the password is correct.


OTHER MEANINGS

2. A sentence in a computer program that asks a yes-or-no question.

Add an if statement to see if the number is bigger than ten.

3. A way to tell a computer to choose between two actions.

The if statement tells the game to show 'You win!' when the score is high.

4. A programming instruction that runs a block of code only under certain conditions.

Without the if statement, the alarm would ring every morning.