doctype html public(doctype html public翻译)
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doctype html public
理解和使用DOCTYPE HTML PUBLIC
在HTML文档中，DOCTYPE声明是用来告诉浏览器当前文档的文档类型的。DOCTYPE声明位于HTML文档的开头，在标签之前。
DOCTYPE HTML PUBLIC 的作用
DOCTYPE声明的作用是为了确保浏览器能够正确地解析和渲染HTML文档。它告诉浏览器使用哪个版本的HTML规范来解析文档，这样可以避免浏览器在渲染页面时出现错误或不一致的情况。
DOCTYPE HTML PUBLIC 语法
DOCTYPE HTML PUBLIC的语法如下：
在语法中，是声明的开始，后面紧跟着声明的类型（HTML）、公共标识符（"-//W3C//DTD HTML 4.01//EN"）和DTD（文档类型定义）的URL（"http://www.w3.org/TR/html4/strict.dtd"）。公共标识符和DTD的URL是根据所选择的HTML规范而定的。
DOCTYPE HTML PUBLIC 选择的HTML规范
在DOCTYPE声明中，根据实际需要选择合适的HTML规范。HTML规范定义了HTML元素、属性和文档结构等内容。常用的HTML规范包括HTML 4.01以及HTML5。
DOCTYPE HTML PUBLIC 的正确使用
为了正确使用DOCTYPE声明，一般建议使用最新的HTML规范（例如HTML5），可以使用以下的DOCTYPE声明：
这个规范是为了确保浏览器以标准模式来解析和渲染文档，同时也支持最新的HTML功能和语法。
总结
通过理解和正确使用DOCTYPE HTML PUBLIC声明，我们可以确保HTML文档能够被浏览器正确地解析和渲染。选择合适的HTML规范，并将对应的DOCTYPE声明添加到文档中，是编写高质量和兼容性良好的网页的重要步骤。
doctype html public
Understanding and Using DOCTYPE HTML PUBLIC
In an HTML document, the DOCTYPE declaration is used to specify the document type. The DOCTYPE declaration is placed at the beginning of the HTML document, before the tag.
What Does DOCTYPE HTML PUBLIC Do?
The purpose of the DOCTYPE declaration is to ensure that the browser can correctly parse and render the HTML document. It informs the browser about which version of the HTML specification to use for parsing the document, thereby avoiding errors or inconsistencies in rendering the page.
Syntax of DOCTYPE HTML PUBLIC
The syntax of the DOCTYPE HTML PUBLIC is as follows:
In the syntax, indicates the start of the declaration, followed by the declaration type (HTML), the public identifier ("-//W3C//DTD HTML 4.01//EN"), and the URL of the DTD (Document Type Definition) ("http://www.w3.org/TR/html4/strict.dtd"). The public identifier and the DTD URL depend on the chosen HTML specification.
Selecting HTML Specification with DOCTYPE HTML PUBLIC
Within the DOCTYPE declaration, the appropriate HTML specification should be chosen based on the specific needs. HTML specifications define the HTML elements, attributes, document structure, and other details. Commonly used HTML specifications include HTML 4.01 and HTML5.
Proper Usage of DOCTYPE HTML PUBLIC
To ensure proper usage of the DOCTYPE declaration, it is generally recommended to use the latest HTML specification, such as HTML5. The following DOCTYPE declaration can be used:
This specification ensures that the browser parses and renders the document in standards mode, while also supporting the latest HTML features and syntax.
Conclusion
By understanding and correctly using the DOCTYPE HTML PUBLIC declaration, we can ensure that HTML documents are correctly parsed and rendered by browsers. Choosing the appropriate HTML specification and adding the corresponding DOCTYPE declaration to the document are crucial steps in creating high-quality and compatibility-friendly web pages.
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