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Intro to HTML
HTML is the standard markup language used to define the structure and layout of web pages. HTML documents consist of HTML elements that are delimited by tags like <p> for paragraphs and <img> for images. The basic structure of an HTML document includes <html>, <head>, and <body> tags. Common elements include headings, paragraphs, links, images, line breaks, and text formatting elements for bold, italics, etc. Elements can have attributes to specify properties like the image source or link destination. HTML also supports tables, lists, and other structured documents.
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Intro to HTML
- 1. introduction to html Basic syntaxand elements
- 2. what is html? •HTML: Hyper Text Markup Language • Language which defines webpages • Structure • Appearance • Description • Worldwide standard • Composed of HTML tags
- 3. html tags • Basicunit of an HTML document • Contained in brackets: <tag> • Usually in pairs • Opening: <tag> • Closing: </tag>
- 4. Basic Structure • HTMLdocument: <html></html> • Head: <head></head> • Body: <body></body>
- 5. Basic Structure <html> <head> <!-- document information goes here --> </head> <body> <!-- visible content goes here --> </body> </html>
- 6. Basic Elements • Headings: <h1></h1>...<h6></h6> • Paragraphs: <p></p> • Links (anchors): <a></a> • Images: <img /> • Line breaks: <br />
- 7. HTML Syntax • Twotypes of elements: 1.Container elements • Has content inside <p>Hello world</p> • Closed by a closing tag </p> 2.Empty elements • Content in itself <img src=“hi.gif” /> • Self-closing <br /> • Elements can have attributes
- 8. Coding Tips • Alwaysclose the element • <h1>Header</h1>, <br /> • Use lower case • <p>, <body>, <html> • First-opened, last-closed • <p><a href=“#”>Link</a></p> • Always quote attributes • <img src=“major.jpg”>
- 9. TExt-formatting • Bold: <b>Bold text</b> • Italic: <i>Italicized text</i> • Big: <big>Big text</big> • Small: <small>Small text</small> • Emphasized: <em>Emphasized text</em> • Strong: <strong>Strong text</strong> • Subscript: <sub>Subscript text</sub> • Superscript: <sup>Superscript text</sup>
- 10. Anchor Attributes • Destinationfile/location • Another webpage: <a href=“sample.html”> • Open a picture: <a href=“me.jpg”> • Go to an area: <a href=“#chapter”> • Where to open the link • New window: <a target=“_blank”> • Declare an anchor-area: <a name=“chapter”>
- 11. image attributes • Locationand filename: <img src=“hi.gif” /> • Alternative text: <img alt=“My First Dog” />
- 12. tables • Declare a table: <table>...</table> • Define a row: <tr>...</tr> • Add divisions/cells: <td>...</td> • Put content inside the cells: <td>Content</td>
- 13. Sample Table Code <table> <tr> <td>Name</td> <td>Occupation</td> </tr> <tr> <td>Gloria</td> <td>Thief</td> </tr> </table>
- 14. Lists • Ordered list:<ol>...</ol> • Unordered list: <ul>...</ul> • List item: <li>Music</li>
- 15. Sample List Code <ol> <li>Charm</li> <li>Electron</li> <li>Gluon</li> <li>Graviton</li> <li>Muon</li> <li>Photon</li> <li>Tau</li> <li>Truth</li> </ol>