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how to use html

PHPz
Release: 2023-04-24 15:31:30
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HTML is the abbreviation of HyperText Markup Language, a markup language used to create web pages. In this article, we'll take a closer look at how to use HTML.

  1. Overview HTML

HTML is a tag-based language used to provide structure and style to web pages. Because HTML provides numerous tags and elements, you can use HTML to create almost any type of web page, including text, images, videos, links, and more.

  1. The basic structure of HTML

HTML files usually have the extension ".html". The basic structure of an HTML document includes a header and a body. In the header, you can specify the document title, reference a CSS file, reference a JavaScript file, etc. In the body you can specify the page content.




This is the title


This is the text

  1. HTML common tags

HTML Commonly used tags include: title, paragraph, link, image, list, table, form, etc. Below are some tags and examples of their use.

Title tag (h1 to h6):

This is a first-level title


This is a second-level title

Paragraph tag (p):

This is a paragraph of text.

Link tag (a):

Link to sample website

Image tag (img):

Example image

List tags (ul, li):


  • The first item

  • The second item

Table label (table, tr, td):

First column, first row Second column, first row
First column, second Row Second column, second row

Form label (form, input):







  1. HTML attributes

HTML elements can have attributes, which can be used to specify the properties and behavior of the element. Here are some common HTML attributes:

class: specifies the class of the element.

id: The unique ID of the specified element.

href: Specify the URL of the link.

src: Specifies the URL of the image.

style: Specify the CSS style of the element.

  1. CSS Style

CSS is the abbreviation of Cascading Style Sheets and is a language used to apply styles to web pages. CSS allows you to control the style of your web pages in a cleaner and more precise way. In HTML, you can apply CSS styles to elements via:

Inline styles: Apply styles directly to elements, like this:

##

Red text

Internal style sheet: Use the style element to put the style definition into the document header:


External style sheet: Put the style definition into a separate CSS file and reference it in the HTML document:



    JavaScript
JavaScript is a programming language used to make HTML documents more interactive and dynamic. JavaScript can be used to control the interaction of text, images, forms, and other elements. You can use JavaScript in HTML in the following ways:

Inline script: Embed script directly into an HTML element:

Internal script: Use the script element to put the script in the document header or body:

<script> <p>function sayHello() { <br>alert('Hello, world!'); <br>} <br></script>

External script: Put the script definition into a separate JavaScript file and include it in the HTML document Quote it in:



    Summary
In this article, we introduced the basic structure of HTML, some basic tags and elements, and how to use CSS and JavaScript to enhance HTML documents. By studying the content in this article, you should be able to write simple HTML pages. However, HTML has more advanced features and technologies, and we encourage you to learn more about HTML and the web technologies associated with it on your own.

The above is the detailed content of how to use html. For more information, please follow other related articles on the PHP Chinese website!

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