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What is the main purpose of using try-catch in Node.js?

easy📝 Conceptual Q11 of 15
Node.js - Error Handling Patterns
What is the main purpose of using try-catch in Node.js?
ATo handle errors that happen during code execution without stopping the program
BTo speed up the execution of asynchronous code
CTo declare variables that are only used inside a block
DTo format output text in the console
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of try-catch

    Try-catch is used to catch errors that happen during the running of code so the program can continue safely.

  2. Step 2: Eliminate unrelated options

    Options about speeding asynchronous code, declaring variables, or formatting output do not relate to error handling.

  3. Final Answer:

    To handle errors that happen during code execution without stopping the program -> Option A

  4. Quick Check:

    Error handling = D [OK]
Quick Trick: Try-catch is for catching errors, not for speed or formatting [OK]
Common Mistakes:
  • Thinking try-catch speeds up code
  • Confusing try-catch with variable declaration
  • Using try-catch to format output

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