Angular - State Management
You want to keep track of a user's login status and update the UI reactively in Angular. Which approach best uses state management to achieve this?
You want to keep track of a user's login status and update the UI reactively in Angular. Which approach best uses state management to achieve this?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify reactive state management for UI updates
Using a signal to hold login status allows Angular to update UI automatically when state changes.Step 2: Compare other options
Global variables or localStorage do not provide reactive updates; services without reactive state miss automatic UI refresh.Final Answer:
Create a signal for login status and update it with set() on login/logout events. -> Option DQuick Check:
Reactive signals = automatic UI updates [OK]
Quick Trick: Use signals with set() for reactive UI state changes [OK]
Common Mistakes:
- Using global variables without reactivity
- Relying only on localStorage without reactive updates
- Ignoring reactive services or signals
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