[Solved] What is wrong with this pipe usage?{{ amount | currency:'USD':'true' }} — Ans: The second argument 'true' is not a valid display option | Angular

Angular - Pipes

What is wrong with this pipe usage?
{{ amount | currency:'USD':'true' }}

APipe name is misspelled

BCurrency pipe does not accept parameters

CThe second argument 'true' is not a valid display option

Damount must be a string, not number

Step-by-Step Solution

Solution:

Step 1: Check currency pipe parameters
The currency pipe's second parameter expects 'code', 'symbol', 'symbol-narrow' (string), or boolean for display style; the string 'true' is invalid.
Step 2: Identify the error
Passing 'true' (invalid string) causes an error.
Final Answer:
The second argument 'true' is not a valid display option -> Option C
Quick Check:
Pipe parameters must match expected values [OK]

Quick Trick: Check pipe parameter types and values carefully [OK]

Common Mistakes:

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What is wrong with this pipe usage?