Question: What is the purpose of a `do...while` loop in JavaScript?
Answer:
A `do...while` loop is used to repeatedly execute a block of code at least once and then as long as a condition is true.
MCQ: What is the purpose of a `do...while` loop in JavaScript?
Correct Answer:
A. To declare a variable
Explanation:
A `do...while` loop is used to repeatedly execute a block of code at least once and then as long as a condition is true.
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Related Questions
- 1. Which keyword is used to start a `do...while` loop in JavaScript?
- 2. What will be the result of the following `do...while` loop? <pre> <code>var i = 0;</code> <code>do {</code> <code>console.log(i);i++;</code> <code>} while (i < 5);</code> </pre>
- 3. What is the purpose of a `switch` statement in JavaScript?
- 4. Which keyword is used to start a `switch` statement in JavaScript?
- 5. What is the purpose of a `case` statement in a `switch` statement in JavaScript?
- 6. What will be the result of the following `switch` statement?<pre><code>var day = "Monday";</code><code>switch (day) {</code><code>case "Monday".console.log("It's the start of the week.");</code><code>break;</code><code>case "Friday".console.log("It's the end of the week.");</code><code>break;</code><code>default. console.log("It's a regular day.");</code><code>}</code></pre>
- 7. What is the purpose of the `default` case in a `switch` statement?
- 8. What will be the result of the following `switch` statement? <pre> <code>var day = "Wednesday";</code> <code>switch (day) {</code> <code>case "Monday".console.log("It's the start of the week.");</code> <code>break;</code> <code>case "Friday".console.log("It's the end of the week.");</code> <code>break;</code> <code>default.console.log("It's a regular day.");</code> <code>}</code> </pre>
- 9. What is the purpose of the `break` statement in a `switch` statement in JavaScript?
- 10. What is a JavaScript function?
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