Angular - Pipes
Why should pure pipes be preferred over impure pipes in Angular when creating custom pipes?
Why should pure pipes be preferred over impure pipes in Angular when creating custom pipes?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand pure vs impure pipes
Pure pipes run only when input changes, impure run every change detection cycle.Step 2: Identify performance impact
Pure pipes cache results and avoid unnecessary recalculations, improving performance.Final Answer:
Pure pipes improve performance by caching results -> Option AQuick Check:
Pure pipes = better performance [OK]
Quick Trick: Use pure pipes for better performance [OK]
Common Mistakes:
- Thinking impure pipes are faster
- Believing pure pipes modify inputs
- Assuming impure pipes skip transform
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