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JavaScript

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npm

  • https://www.npmjs.com/package/temporal
    • Non-blocking, temporal task sequencing. temporal does NOT use setTimeout or setInterval, however there is a cost for using "recursive" setImmediate to create an extremely fast, async execution loop. CPU usage is expected to peak when using temporal, because the internal ticker needs to execute as fast as possible and as many times per second as possible. It's this speed that allows temporal to review the internal schedule for tasks to execute more than once per millisecond, which is needed to create preferential execution cycles for hardware programming.
    • https://github.com/rwaldron/temporal

misc.

Can (a== 1 && a ==2 && a==3) ever evaluate to true?

初めてのJavaScript 第3版 ―ES2015以降の最新ウェブ開発