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New article! Signals are seemingly everywhere today, which begs the question: What are they? In their most basic form, signals are a method of having some state and a way of subscribing to that state.

Playful Programming

@playfulprogramming.com

2 Nov 2024

A signal has an initial value, a getter to retrieve it, a setter to update it and notify listeners, and a way to subscribe to changes. An example of a listener API can be as simple as a few lines of code, like so:

Playful Programming

@playfulprogramming.com

If you’re wondering how signals fit into the JavaScript ecosystem: They are extremely powerful primitives that take ownership of multiple areas of the reactivity story.

2/11/24, 7:21 pm1 repost2 likes

Playful Programming

@playfulprogramming.com

2 Nov 2024

But there’s much, much more to signals. If you want to learn exactly how they work, what things to watch out for, and how to integrate it with other mechanisms like Effects, view our newest article! https://buff.ly/3Cn034E

buff.lyWhat are Signals?Signals are seemingly everywhere today. So here's the question? What are they? Let's build an implementation ourselves to understand them better.