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Why does the Node.js built-in debugger pause execution when it encounters a debugger; statement in the code?

hard📝 Conceptual Q10 of 15
Node.js - Debugging and Profiling
Why does the Node.js built-in debugger pause execution when it encounters a debugger; statement in the code?
AIt is a signal to pause for inspection
BIt causes a syntax error to stop execution
CIt automatically sets a breakpoint on next line
DIt logs a message but does not pause
Step-by-Step Solution
Solution:
  1. Step 1: Understand purpose of debugger statement

    The debugger; statement tells the runtime to pause execution for debugging.
  2. Step 2: Evaluate other options

    It does not cause syntax errors, does not set breakpoints automatically, and does not just log messages.
  3. Final Answer:

    It is a signal to pause for inspection -> Option A
  4. Quick Check:

    debugger; pauses execution [OK]
Quick Trick: debugger; statement pauses code for inspection [OK]
Common Mistakes:
  • Thinking it causes errors
  • Assuming it sets breakpoints automatically
  • Believing it only logs messages

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