Operator Lookup - Search JavaScript operators · Josh W Comeau
Operators in JavaScript—handy! I didn’t know about most of these.

Related links
The State of ES5 on the Web
This is grim:
If you look at the data below on how popular websites today are actually transpiling and deploying their code to production, it turns out that most sites on the internet ship code that is transpiled to ES5, yet still doesn’t work in IE 11—meaning the transpiler and polyfill bloat is being downloaded by 100% of their users, but benefiting none of them.
“Just” One Line - Jim Nielsen’s Blog
There’s a big difference between the interface to a thing being one line of code, and the cost of a thing being one line of code.
A more acute rendering of this sales pitch is probaly: “It’s just one line of code to add many more lines of code.”
And as Chris puts it:
Every dependency is a potential vulnerability
Practical Accessibility — Practical Accessibility for web designers and developers
This online course from Sara looks superb!
I know how overwhelming and even frustrating accessibility may feel at first. But I promise you, accessibility isn’t always as hard as it seems (especially if you know where and when to start!). And my goal with this course is to make it friendlier and more approachable.
Best of all, there’s $100 off if you sign up now—that’s a 25% saving.
12 Days of Web
All twelve are out, and all twelve are excellent deep dives into exciting web technologies landing in browsers now.
Related posts
Suspicion
Responses to my thoughts on why developers would trust third-party code more than a native browser feature.
Trust
I’m trying to understand why developers would trust third-party code more than a native browser feature.
Accessible interactions
Abstracting common interaction patterns as a starting point for accessible components.
Unobtrusive feedback
An interface pattern for Ajax interactions that’s borrowed from video games.
A polyfill for button type=”share”
Kicking the tyres on a declarative Web Share API.