[Solved] Identify the error in this Angular template expression:{{ 'Hello World' | uppercase | slice }} — Ans: slice pipe requires start and end parameters | Angular

Angular - Pipes

Identify the error in this Angular template expression:
{{ 'Hello World' | uppercase | slice }}

Auppercase pipe cannot be chained

Bslice pipe requires start and end parameters

CMissing pipe separator before slice

DString input is invalid for pipes

Step-by-Step Solution

Solution:

Step 1: Check slice pipe usage
The slice pipe requires at least a start index parameter to work properly.
Step 2: Identify missing parameters
In the expression, slice is used without parameters, causing an error.
Final Answer:
slice pipe requires start and end parameters -> Option B
Quick Check:
slice pipe needs parameters [OK]

Quick Trick: Always provide parameters to slice pipe [OK]

Common Mistakes:

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