SolidJS·SolidJS essentials

Signals

Solid uses signals for fine-grained reactivity without a virtual DOM.

Intermediate 10 min read Lesson 1 of 150 Challenge included

What you will be able to do

createSignal returns a getter and setter.
Call the getter to track.
Components run once.

In plain English

Solid uses signals for fine-grained reactivity without a virtual DOM.

createSignal returns a getter and setter.
Call the getter to track.
Components run once.

Counter.jsxJavaScript

import { createSignal } from 'solid-js'

export default function Counter() {
  const [count, setCount] = createSignal(0)
  return <button onClick={() => setCount(count() + 1)}>Clicked {count()}</button>
}

Your turn

Explain it back

Easy

Answer from memory: How do you read a Solid signal?

TEXT · starter

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Knowledge checkQuestion 1

How do you read a Solid signal?

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Lesson 1 of 150 · 0% of course