[Solved] Identify the error in this code snippet:const params = new HttpParams(); params.set('id', '123'); this.http.get('/users', { params }).subscribe(); | Angular

Angular - HTTP Client

Identify the error in this code snippet:

const params = new HttpParams();
params.set('id', '123');
this.http.get('/users', { params }).subscribe();

AHttpParams is immutable; set() must be assigned back

BHttpParams cannot be used with get()

Cset() method does not exist on HttpParams

DMissing headers object

Step-by-Step Solution

Solution:

Step 1: Recognize HttpParams immutability
HttpParams methods like set() return a new instance; they do not modify the original.
Step 2: Identify missing assignment
The code calls params.set() but does not assign the result back, so params remains empty.
Final Answer:
HttpParams is immutable; set() must be assigned back -> Option A
Quick Check:
Immutable params require reassignment [OK]

Quick Trick: Always assign set() result back to params variable [OK]

Common Mistakes:

MISTAKES

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