Must Read
The Front-End Developer Handbook 2019
This popular, detailed guide returns for another year. Updated with plenty of useful resources, learning materials and dev tools.
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Learn
How to Build a Large Vue Application
Vue is perfect as it is for small and medium-sized apps, but you might want to lean on systems to make apps more modular at larger scales.
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How to Know What to Test
“Given enough time and experience, you develop an intuition for knowing what to test.”
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Tools & Code
Bowser: A Browser Detector
Because “not even good modern browsers always provide good feature detection mechanisms.”
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How to Create a Multicolored Mouse Trail for Your Site
We don’t often link to visual uses of JavaScript that are just for fun but this is pretty neat. We also learn a neat trick to only run code on browsers/devices with a proper pointing device attached: matchMedia('(pointer:fine)').matches
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V8's Blazingly Fast Parsing: How Lazy Parsing Works
A deep-down, technical post from the V8 team on how the JavaScript engine’s pre-parsing functionality works to prevent unnecessary parsing taking place before it needs to.
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Razzle: Create Server-Rendered Universal Apps with No Config
It abstracts all the tooling for a universal app into a single dependency and leaves the decisions around frameworks, routing, and data fetching to you (think create-react-app but for any set of frameworks). Version 3 came out just this week introducing Babel 7 support.
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Interesting Links
Exploring the Hidden Potential of JavaScript Arrays
Aimed more at beginners, this tour visits built-in methods like flatMap, every, some and keys that are frequently overlooked.
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