New HTML5 document types and doctype declaration
Web page doctype declaration in HTML5 web development hypertext script language is declared and indicated before creating an HTML5 web page, which follows some default web development standard rules and regulations to define the existing HTML web page document structure. Remember, the doctype declaration in every HTML5 document starts the new HTML5 web page and tells the web browser and search engines that the existing web page is written in HTML5 and follows the web browser standard rules, which covers all the important aspects of any general HTML5 web page design and development from start to finish.
Doctype declaration in HTML5 web development script.
<!DOCTYPE html>
Important for HTML5.
HTML5 Doctype declaration is declared and used to indicate the document type structure of any web page made in HTML5.
This is a simple HTML5 web page start document declaration method, which has been greatly simplified compared to the older HTML4 version.
HTML5 Doctype Purpose.
The doctype declaration methods in HTML5 <!DOCTYPE html> are specifically designed to indicate to any web browser that the current web page is made in HTML5, and it follows all the standard rules and protocols of the web browser. Which previews your HTML5 web page in the proper shape and size in the proper format in the client web browser. Along with this, the doctype declaration separates the current web page from the document structure from multiple web development script languages and previews it in multiple client and server web browsers.
No DTD reference in HTML5.
In HTML5 hypertext web development scripts, web developers do not have to use any document type definition reference as compared to the older HTML4 version. In general, HTML5 simplifies web development and makes web design and development faster by reducing complexity.
Document Structure Attributes in HTML5.
For HTML5 web page document type declaration, many other attributes and tags are included in the process of creating a web page. Where HTML5 doctype declaration itself is a <!DOCTYPE html> HTML5 is a web browser preview standard protocol, which defines the HTML5 web page document structure in client and server web browsers.
HTML5 Document Structure Features.
- HTML5 Semantic Tag – Some new HTML5 tags are reserved to create a new web page in HTML5, which are used to give proper structure to HTML5 webpage layout and client web browser display, including main tags, <header> tag, <footer> tag, <section> tag, <article> tag, <audio> tag, <video> tag, and <nav> tag, and many other popular tags.
- HTML5 Form Enhancements – Compared to HTML4, many new forms input types and attributes are present in HTML5 hypertext web development script, including form email input <input type=”email”>, form date input <input type=”date”>, and data range <input type=”range”>, and many other form features and attributes are available to the web developer in HTML5.
- HTML5 Multimedia Tag – For the first time in HTML5 version, multimedia object has been properly added, in which web developer can directly add or embed <audio> tag and <video> tag element in the existing web page, after HTML5 now direct web developer can embed multimedia and animation 2D object in the web page website without any third-party plugins.
- HTML5 Canvas Tag and SVG – For the first time in HTML5 web page, web developer can draw and create 2D graphics, shapes, images with <canvas> tag, where with the help of JavaScript now highly graphical image design and development, in which SVG (Scalable Vector Graphics) resolution-independent graphics design has become easy.
- HTML5 API Features – HTML5 Hypertext Web Development Script supports many existing API features that provide web developers with features such as geolocation, data web storage (localStorage and sessionStorage), Web Workers and WebSockets, etc. that enhance web applications built in HTML5.