Recently, I thought I’d try my hand at creating a simple CSS selector engine. You know what I’m talking about: it’s the kind of thing you use in most JavaScript libraries, where you pass in a CSS selector to find the elements you want to work with. Today, I’ll show you how to create a really simple one!
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You’ve probably used the selector engines built into several JavaScript libraries, but do you have any idea how they’re built?
If not, this tutorial will take you through the process of crafting your own CSS selector engine. You’ll learn how to break down the decently complex problem of selecting DOM elements into manageable chunks and code it piece by piece . . . all while using only the best JavaScript practices!“
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