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Why is it better to use the URL class in Node.js to build URLs instead of string concatenation?

hard📝 Conceptual Q10 of 15
Node.js - URL and Query String Handling
Why is it better to use the URL class in Node.js to build URLs instead of string concatenation?
AString concatenation is faster and safer
BURL class automatically encodes components and prevents errors
CURL class requires less code than string concatenation
DString concatenation supports query parameters better
Step-by-Step Solution
Solution:

  1. Step 1: Understand URL class benefits

    The URL class handles encoding and parsing, avoiding common mistakes in manual string building.

  2. Step 2: Compare with string concatenation

    String concatenation is error-prone and does not encode special characters automatically.

  3. Final Answer:

    URL class automatically encodes components and prevents errors -> Option B

  4. Quick Check:

    URL class ensures safe URL building [OK]
Quick Trick: Use URL class to avoid manual encoding errors [OK]
Common Mistakes:
  • Thinking string concatenation is safer
  • Believing URL class is more verbose
  • Ignoring encoding issues

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