Instructions

  • 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
  • 2. Thoroughly review each solution before proceeding to ensure full understanding.
  • 3. Final results will be available after submission to provide insights into areas for further improvement.
  • 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
  • 5. Once submitted, responses are final, so ensure you’re confident in your answers.
  • 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.

All Problems

Question

Action

What keyword is used in JavaScript to manually throw an error?

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What type of value can be thrown using the throw statement?

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What is the role of the throw statement in JavaScript?

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What is a common use case for manually throwing an error using throw in JavaScript?

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Which of the following correctly throws an error in JavaScript?

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When using the throw statement, what type of object is usually thrown?

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What happens after an error is thrown using the throw statement?

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How do you throw a custom error with a specific message in JavaScript?

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Can you throw primitive values like strings or numbers in JavaScript?

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What is the difference between throwing a string and an Error object?

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What keyword is used in JavaScript to manually throw an error?

throw
catch
error
try

What type of value can be thrown using the throw statement?

Only strings
Only error objects
Any value, such as a string, number, or object
Only numbers

What is the role of the throw statement in JavaScript?

It rethrows a caught error
It stops execution and propagates an error
It catches errors in the try block
It logs errors without stopping execution

What is a common use case for manually throwing an error using throw in JavaScript?

To log successful operations
To terminate a loop
To handle an exceptional case and notify the user
To pause program execution

Which of the following correctly throws an error in JavaScript?

throw new Error("An error occurred")
throw catch("An error occurred")
catch("An error occurred")
error("An error occurred")

When using the throw statement, what type of object is usually thrown?

A String object
A SyntaxError object
An Error object
An undefined object

What happens after an error is thrown using the throw statement?

The program continues execution
The error is ignored
Execution of the current function stops, and the control moves to the nearest catch block
The program restarts

How do you throw a custom error with a specific message in JavaScript?

throw new Error("Custom error message")
catch Error("Custom error message")
try Error("Custom error message")
log Error("Custom error message")

Can you throw primitive values like strings or numbers in JavaScript?

Yes
No
Only strings
Only numbers

What is the difference between throwing a string and an Error object?

Strings cannot be thrown, only Error objects can
Strings are logged differently, but functionally the same
Error objects provide additional debugging information such as the stack trace
There’s no difference at all