While Loops in JavaScript (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
7 questions from this quiz
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Practise the questions
7 questions from this quiz
When does a while loop execute its code block?
When does a while loop execute its code block?
When the condition is true
What is the correct syntax for a while loop?
What is the correct syntax for a while loop?
while (condition) { code }
What does the example loop output when count starts at 0 and the condition is count < 5?
What does the example loop output when count starts at 0 and the condition is count < 5?
0, 1, 2, 3, 4
What must happen to prevent an infinite loop?
What must happen to prevent an infinite loop?
The condition must become false
What are while loops particularly suitable for?
What are while loops particularly suitable for?
Condition-based repetitions
In the example, what statement changes the count variable each iteration?
In the example, what statement changes the count variable each iteration?
count++
What is a common mistake when writing while loops?
What is a common mistake when writing while loops?
Creating infinite loops