[Solved] Identify the error in this Angular signal code:const name = signal('Alice'); name.update(name + ' Smith'); | Angular

Angular - State Management

Identify the error in this Angular signal code:

const name = signal('Alice');
name.update(name + ' Smith');

AIncorrect initial value type for signal

BMissing parentheses when calling signal()

CUsing update() with a string instead of a function

DUsing set() instead of update()

Step-by-Step Solution

Solution:

Step 1: Understand update() usage
update() expects a function that receives the current value and returns the new value.
Step 2: Analyze the code's argument to update()
The code passes name + ' Smith' which is a string, not a function, causing an error.
Final Answer:
Using update() with a string instead of a function -> Option C
Quick Check:
update() needs a function argument [OK]

Quick Trick: Pass a function to update(), not a direct value [OK]

Common Mistakes:

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