[Solved] What will be logged to the console when running this Angular code? import { signal } from '@angular/core'; const count = signal(5); count.update(v => v + 2); console.log(count()); | Angular

Angular - Signals

What will be logged to the console when running this Angular code?

import { signal } from '@angular/core';
const count = signal(5);
count.update(v => v + 2);
console.log(count());

A5

B7

CNaN

DError: update is not a function

Step-by-Step Solution

Solution:

Step 1: Initialize signal with 5
count starts at 5.
Step 2: Use update to add 2
update applies function v => v + 2, so value becomes 7.
Step 3: Log current value
Calling count() returns 7.
Final Answer:
7 -> Option B
Quick Check:
Signal update result = 7 [OK]

Quick Trick: Use update(fn) to change signal value based on current value [OK]

Common Mistakes:

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