Shulou(Shulou.com)06/01 Report--

This article shows you how to do Web Worker threading, the content is concise and easy to understand, it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

1 the browser arranges all events into the event queue through the operating system (for example, if you go to a window to buy food, you need to queue); the browser uses a single thread to handle events in the queue and execute user code (that is, single thread; except web workers).

As a result, the browser can only handle one of these tasks at a time, and any one of these tasks can prevent the execution of other tasks.

2 how to judge that the code is "fast enough"? The 0.1 second user experience is: users can operate at will without waiting; a delay of 0.2 seconds and 1.0 seconds will be noticed by users; if it exceeds 1 second, users will feel unsmooth; if it takes more than 10 seconds, users will be very frustrated.

Manual code detection:

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