Loading Polyfills Only When Needed — Philip Walton
New JavaScript and HTML features are being introduced all the time that make our lives as developers easier. In many cases, these new features are so helpful we choose to use them on production websites before they’re fully implemented in all browsers. To not break the experience for users on older browsers, we of course include polyfills for any not-fully-supported features. The problem with this
Do We Actually Need Specificity In CSS? — Philip Walton
Okay, before I start, I want to get one thing out of the way upfront. This article is not a rant about how much I hate specificity. If you want to read an article like that, I’m sure you can find dozens elsewhere online. What I want to do is pose an actual, honest question to the web development community and hopefully get people thinking. To restate the question in a way that gets more at the hea
What No One Told You About Z-Index — Philip Walton
The problem with z-index is that very few people understand how it really works. It’s not complicated, but it if you’ve never taken the time to read its specification, there are almost certainly crucial aspects that you’re completely unaware of. Don’t believe me? Well, see if you can solve this problem: The ProblemIn the following HTML you have three <div> elements, and each <div> contains a singl
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