Angular - Pipes
Which of the following is the correct syntax to chain the 'date' and 'uppercase' pipes in Angular?
Which of the following is the correct syntax to chain the 'date' and 'uppercase' pipes in Angular?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand pipe chaining order and syntax
Pipes are chained with | and parameters use colons, not parentheses.Step 2: Check each option's syntax and order
{{ today | date:'shortDate' | uppercase }} correctly chains date pipe with parameter then uppercase pipe. {{ today | uppercase | date:'shortDate' }} reverses the order, which changes the output since date expects a Date object. The remaining options have syntax errors (parentheses for parameters and missing pipe separator).Final Answer:
{{ today | date:'shortDate' | uppercase }} -> Option BQuick Check:
Correct pipe chaining syntax = {{ today | date:'shortDate' | uppercase }} [OK]
Quick Trick: Pipe parameters use colons, not parentheses [OK]
Common Mistakes:
- Using parentheses for pipe parameters
- Incorrect pipe order changing output
- Missing pipe separators
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