[Solved] Given this code snippet:this.http.post('/api/items', {name: 'Book'}).subscribe({next: res => console.log('Success'), error: err => console.... | Angular

Angular - HTTP Client

Given this code snippet:

this.http.post('/api/items', {name: 'Book'}).subscribe({next: res => console.log('Success'), error: err => console.log('Error')});

What will be logged if the server returns an error?

AError

BNothing

CSuccess

DThrows exception

Step-by-Step Solution

Solution:

Step 1: Analyze subscribe error callback
The error callback logs 'Error' when the server returns an error.
Step 2: Confirm output on server error
Since server returns error, 'Error' will be logged.
Final Answer:
Error -> Option A
Quick Check:
Server error triggers error callback = C [OK]

Quick Trick: Use error callback to handle POST errors [OK]

Common Mistakes:

MISTAKES

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