[Solved] Why does Angular recommend using pure pipes whenever possible instead of impure pipes? — Ans: Pure pipes improve performance by running only on input changes. | Angular

Angular - Pipes

Why does Angular recommend using pure pipes whenever possible instead of impure pipes?

AImpure pipes cause syntax errors in templates.

BPure pipes improve performance by running only on input changes.

CPure pipes can modify input data safely.

DImpure pipes cannot be used with objects or arrays.

Step-by-Step Solution

Solution:

Step 1: Recall Angular performance guidelines
Pure pipes run only when inputs change, reducing unnecessary recalculations and improving performance.
Step 2: Evaluate options
Pure pipes improve performance by running only on input changes. correctly states the reason; others are false or misleading.
Final Answer:
Pure pipes improve performance by running only on input changes. -> Option B
Quick Check:
Angular recommends pure pipes for performance [OK]

Quick Trick: Prefer pure pipes for better performance [OK]

Common Mistakes:

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Why does Angular recommend using pure pipes whenever possible instead of impure pipes?