Angular - HTTP Client
Which method is used to add a query parameter to an existing HttpParams object in Angular?
Which method is used to add a query parameter to an existing HttpParams object in Angular?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Understand HttpParams immutability
HttpParams is immutable, so methods likeset()return a new instance with the parameter added or replaced.Step 2: Identify the correct method
set()adds or updates a parameter, whileappend()adds a new value without replacing existing ones.add()andpush()do not exist on HttpParams.Final Answer:
set() -> Option CQuick Check:
Add param method = set() [OK]
Quick Trick: Use set() to add or update params immutably [OK]
Common Mistakes:
MISTAKES- Using append() which adds multiple values instead of replacing
- Trying to use add() or push() which are invalid
- Mutating HttpParams directly instead of reassigning
Master "HTTP Client" in Angular
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Angular Quizzes