Preface
WEB standard
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Three layers of web standards in web pages
The web standard is a collection of a series of standards formulated by the W3C organization and other standardization organizations.
The w3c World Wide Web Consortium is an internationally renowned standardization organization (similar to the United Nations in the real world).
Web standard composition (emphasis)
Composition: It mainly includes three aspects: structure (Structure), performance (Presentation) and behavior (Behavior).
| standard | Description | Remarks |
|---|---|---|
| structure | Structure is used to organize and classify web page elements (mainly HTML) |  |
| which performed | Performance is used to set the layout, color, size and other appearance styles of webpage elements (mainly refers to CSS) |  |
| behavior | Behavior refers to the definition of web page mode and the writing of interaction (mainly JavaScript) |  |