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 is the purpose of the try block in JavaScript?

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What does the catch block in a try/catch statement do?

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Which of the following is true about the finally block in a try/catch/finally construct?

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Where should the catch block appear in a try/catch statement?

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What happens if an error occurs inside the try block and there's no catch block?

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Can you have multiple catch blocks for a single try block?

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Which of the following best describes error handling using try/catch?

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In a try/catch block, what happens if there’s no error in the try block?

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Is the try/catch block mandatory in JavaScript?

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Which of the following can trigger a catch block in a try/catch statement?

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What is the purpose of the try block in JavaScript?

To throw an error
To execute a block of code and catch any exceptions
To skip any errors
To stop the program

What does the catch block in a try/catch statement do?

Executes if no errors occur
Ignores the error
Catches and handles exceptions
Terminates the program

Which of the following is true about the finally block in a try/catch/finally construct?

It only executes if an error is thrown
It executes regardless of whether an error occurs or not
It prevents the catch block from running
It executes only if no error is thrown

Where should the catch block appear in a try/catch statement?

Before the try block
Inside the try block
Immediately after the try block
It can be placed anywhere

What happens if an error occurs inside the try block and there's no catch block?

The error is ignored
The program terminates
The error is silently logged
The error is thrown to the browser console

Can you have multiple catch blocks for a single try block?

Yes
No
Yes, but only in strict mode
Only if each catch block handles a different error type

Which of the following best describes error handling using try/catch?

Prevents all runtime errors
Allows for errors to be handled without crashing the program
Catches only syntax errors
Automatically fixes the error

In a try/catch block, what happens if there’s no error in the try block?

The catch block is still executed
The catch block is skipped
The code in the catch block is logged
The code throws a new error

Is the try/catch block mandatory in JavaScript?

Yes
No
Only in modern browsers
Only for certain error types

Which of the following can trigger a catch block in a try/catch statement?

A successful operation
A network error inside the try block
A finally block failure
The absence of the finally block