Web Worker usage guide for HTML5

This article mainly introduces the Web Worker usage strategy for HTML5, especially the JS combined with the worker's expertise is very effective. Friends who need it can refer to it.

Web Workers is a JavaScript multithreading solution provided by HTML5. We can hand over some large-scale code to the web Worker without freezing the user interface.

The basic principle of Web Worker is to use the Worker class to load a javascript file in the main thread of the current javascript to open a new thread, which does not block execution, and provides an interface for data exchange between the main thread and the new thread: postMessage, onmessage.

So how to use it, let's look at an example: