Angular - Component Interaction
You want to send a number from child to parent and also pass additional info. Which approach correctly sends both using a single event?
You want to send a number from child to parent and also pass additional info. Which approach correctly sends both using a single event?
hard📝 component behavior Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand how to send multiple data in one event
EventEmitter can emit any type, including objects with multiple properties.Step 2: Choose the approach that sends both data in one event
Emitting an object with both number and info is clean and efficient.Final Answer:
Emit an object like {value: number, info: string} via EventEmitter -> Option DQuick Check:
Emit objects to send multiple data [OK]
Quick Trick: Emit an object to send multiple values in one event [OK]
Common Mistakes:
- Trying to send multiple values separately
- Using @Input to send data up
- Creating multiple EventEmitters unnecessarily
Master "Component Interaction" in Angular
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