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Why is it important to import FormsModule only once in an Angular application module or standalone component?

hard🧠 Conceptual Q10 of 15
Angular - Template-Driven Forms
Why is it important to import FormsModule only once in an Angular application module or standalone component?
ATo reduce bundle size by importing it only once
BBecause Angular forbids importing the same module twice
CBecause FormsModule automatically imports itself everywhere
DTo avoid multiple instances of directives and potential conflicts
Step-by-Step Solution
Solution:
  1. Step 1: Understand Angular module system

    Importing FormsModule multiple times can create multiple directive instances causing conflicts.
  2. Step 2: Clarify Angular import rules

    Angular allows multiple imports but best practice is to import once to avoid duplication issues.
  3. Final Answer:

    To avoid multiple instances of directives and potential conflicts -> Option D
  4. Quick Check:

    Single import prevents directive conflicts [OK]
Quick Trick: Import FormsModule once to prevent directive duplication [OK]
Common Mistakes:
MISTAKES
  • Believing Angular forbids multiple imports
  • Thinking FormsModule imports itself automatically
  • Ignoring potential conflicts from multiple imports

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