The main differences between HTML and HTML5 are: 1. HTML5 introduces some new semantic tags to better describe the page structure; 2. HTML5 provides some new input types and Attributes; 3. HTML5 provides native video and audio support; 4. HTML5 introduces local storage functionality; 5. The "canvas" element in HTML5 allows developers to use JavaScript to draw graphics and animations without relying on plug-ins.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
HTML (Hypertext Markup Language) is a markup language used to create web pages. It defines the structure and content of web pages. HTML5 is the fifth major version of HTML, which introduces some new features and improvements and some differences from previous versions.
Here are some of the major differences between HTML and HTML5:
New features and elements: HTML5 introduces some new semantic tags such as
<header>
,<nav>
,<section>
,<article>
, etc., for better description Page structure. In addition, HTML5 also introduces video and audio elements<video>
and<audio>
, as well as drawing elements<canvas>
, etc. These new elements and features make it easier for developers to implement rich and diverse web content.Form controls: HTML5 provides some new input types and attributes for forms, such as date picker, email input, phone number input, range input, etc. These new form controls make user interaction more convenient and friendly.
Multimedia support: HTML5 provides native video and audio support, eliminating the need to use third-party plug-ins (such as Flash) to play video and audio. This improves web page compatibility and performance.
Local storage: HTML5 introduces local storage functions, including Web Storage (Web Storage) and IndexedDB, which can store data on the client without relying on the server.
Drawing and animation: The
<canvas>
element in HTML5 allows developers to use JavaScript to draw graphics and animations without relying on plug-ins. This provides greater flexibility for creating complex graphic effects.
Overall, HTML5 provides developers with more features and options, making building modern web applications more convenient and powerful. It introduces more semantic tags, new form controls, multimedia support, local storage and other features, promoting the development of Web technology.
The above is the detailed content of What are the differences between html and html5. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undress AI Tool
Undress images for free

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

To create an HTML unordered list, you need to use a tag to define a list container. Each list item is wrapped with a tag, and the browser will automatically add bullets; 1. Create a list with a tag; 2. Each list item is defined with a tag; 3. The browser automatically generates default dot symbols; 4. Sublists can be implemented through nesting; 5. Use the list-style-type attribute of CSS to modify the symbol style, such as disc, circle, square, or none; use these tags correctly to generate a standard unordered list.

ThecontenteditableattributemakesanyHTMLelementeditablebyaddingcontenteditable="true",allowinguserstodirectlymodifycontentinthebrowser.2.Itiscommonlyusedinrichtexteditors,note-takingapps,andin-placeeditinginterfaces,supportingelementslikediv

SemanticHTMLimprovesbothSEOandaccessibilitybyusingmeaningfultagsthatconveycontentstructure.1)ItenhancesSEOthroughbettercontenthierarchywithproperheadinglevels,improvedindexingviaelementslikeand,andsupportforrichsnippetsusingstructureddata.2)Itboostsa

The Schema.org tag helps search engines understand the structured data format of web page content through semantic tags (such as item scope, item type, itemprop); it can be used to define custom vocabulary, methods include extending existing types or using additionalType to introduce new types; in actual applications, keeping the structure clear, using official attributes first, testing code validity, and ensuring that custom types are accessible; precautions include accepting partial support, avoiding spelling errors, and choosing a suitable format such as JSON-LD.

Usetheelementwithinatagtocreateasemanticsearchfield.2.Includeaforaccessibility,settheform'sactionandmethod="get"attributestosenddatatoasearchendpointwithashareableURL.3.Addname="q"todefinethequeryparameter,useplaceholdertoguideuse

rel="stylesheet"linksCSSfilesforstylingthepage;2.rel="preload"hintstopreloadcriticalresourcesforperformance;3.rel="icon"setsthewebsite’sfavicon;4.rel="alternate"providesalternateversionslikeRSSorprint;5.rel=&qu

Using tags is the easiest and recommended method. The syntax is suitable for modern browsers to embed PDF directly; 2. Using tags can provide better control and backup content support, syntax is, and provides download links in tags as backup solutions when they are not supported; 3. It can be embedded through Google DocsViewer, but it is not recommended to use widely due to privacy and performance issues; 4. In order to improve the user experience, appropriate heights should be set, responsive sizes (such as height: 80vh) and PDF download links should be provided so that users can download and view them themselves.

ThetargetattributeinanHTMLanchortagspecifieswheretoopenthelinkeddocument.1._selfopensthelinkinthesametab(default).2._blankopensthelinkinanewtaborwindow.3._parentopensthelinkintheparentframe.4._topopensthelinkinthefullwindowbody,removingframes.Forexte