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“Off The Main Thread”

JavaScript is what they call "single-threaded." As Brian Barbour puts it:

This means it has one call stack and one memory heap.

We all feel a symptom of that regularly in the form of performance jank and non-interactivity on elements or entire sites. If we give JavaScript lots of jobs and it gets really busy doing them, then it's not doing other things, like, say, handling our event handlers quickly.

There has been an interesting point/counter-point combo recently along … Read article

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