HTML doc introduction and basics ppt.pptx
pmskhanxyz
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Aug 22, 2024
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HTML Introduction Defination :- HTML is the standard markup language for creating Web pages. What is HTML? HTML stands for Hyper Text Markup Language HTML is the standard markup language for creating Web pages HTML describes the structure of a Web page HTML consists of a series of elements HTML elements tell the browser how to display the content HTML elements label pieces of content such as "this is a heading", "this is a paragraph", "this is a link", etc.
A Simple HTML Document The <!DOCTYPE html> declaration defines that this document is an HTML5 document The <html> element is the root element of an HTML page The <head> element contains meta information about the HTML page The <title> element specifies a title for the HTML page (which is shown in the browser's title bar or in the page's tab) The <body> element defines the document's body, and is a container for all the visible contents, such as headings, paragraphs, images, hyperlinks, tables, lists, etc. The <h1> element defines a large heading The <p> element defines a paragraph
What is an HTML Element? An HTML element is defined by a start tag, some content, and an end tag: < tagname > Content goes here... < / tagname > The HTML element is everything from the start tag to the end tag: < h1 > My First Heading < /h1 > < p > My first paragraph. < /p > Start tag Element content End tag <h1> My First Heading </h1> <p> My first paragraph. </p> < br > none none
HTML History Year Version 1989 Tim Berners-Lee invented www 1991 Tim Berners-Lee invented HTML 1993 Dave Raggett drafted HTML+ 1995 HTML Working Group defined HTML 2.0 1997 W3C Recommendation: HTML 3.2 1999 W3C Recommendation: HTML 4.01 2000 W3C Recommendation: XHTML 1.0 2008 WHATWG HTML5 First Public Draft 2012 WHATWG HTML5 Living Standard 2014 W3C Recommendation: HTML5 2016 W3C Candidate Recommendation: HTML 5.1 2017 W3C Recommendation: HTML5.1 2nd Edition 2017 W3C Recommendation: HTML5.2
HTML Basics HTML Documents All HTML documents must start with a document type declaration: <!DOCTYPE html> . The HTML document itself begins with <html> and ends with </html> . The visible part of the HTML document is between <body > and </body> . Example
The <!DOCTYPE> Declaration The <!DOCTYPE> declaration represents the document type, and helps browsers to display web pages correctly. It must only appear once, at the top of the page (before any HTML tags). The <!DOCTYPE> declaration is not case sensitive. The <!DOCTYPE> declaration for HTML5 is: < !DOCTYPE html > HTML Headings HTML headings are defined with the <h1> to <h6> tags. <h1> defines the most important heading. <h6> defines the least important heading: < h1 > This is heading 1 < /h1 > < h2 > This is heading 2 < /h2 > < h3 > This is heading 3 < /h3 >
HTML Paragraphs HTML paragraphs are defined with the <p> tag: < p > This is a paragraph. < /p > < p > This is another paragraph. < /p > HTML Links HTML links are defined with the <a> tag: < a href =“www.google.com”> This is a link < /a > The link's destination is specified in the href attribute. Attributes are used to provide additional information about HTML elements. HTML Image s
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