JavaScript knowledge point system summary

JavaScript is the world's most popular, lightweight programming language.

This language can be used for HTML and web, and can be widely used on servers, PCs, laptops, tablets, smartphones and other devices;

JavaScript is used by millions of web pages to improve designs, validate forms, detect browsers, create cookies, and more.

System knowledge diagram:

The weschool mobile version comes with several pictures that you can save to your photo album. If you have nothing to do, just read more, read more, think about it, and write about it.

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