Migration from HTML4 to HTML5 This chapter is entirely about how to migrate from HTML4 to HTML5. This chapter demonstrates how to convert an HTML4 page into an HTML5 page, without destroying anything of the original content or structure. You can migrate from XHTML to HTML5, using the same recipe. Typical HTML4 Typical HTML5 <div id=”header”> <header> <div id=”menu”> […]
Example A ruby annotation: <ruby> 漢 <rt> ㄏㄢˋ </rt> </ruby> Try it Yourself » Definition and Usage The <rt> tag defines an explanation or pronunciation of characters (for East Asian typography) in a ruby annotation. Use the <rt> tag together with the <ruby> and the <rp> tags: The <ruby> element consists of one or more characters that needs an explanation/pronunciation, and an […]
Example Use the meter element to measure data within a given range (a gauge): <meter value=”2″ min=”0″ max=”10″>2 out of 10</meter><br> <meter value=”0.6″>60%</meter> Try it Yourself » Definition and Usage The <meter> tag defines a scalar measurement within a known range, or a fractional value. This is also known as a gauge. Examples: Disk usage, the relevance of a […]
HTML <meter> form Attribute Example A <meter> element located outside a form (but still a part of the form): <form action=”/action_page.php” method=”get” id=”form1″> First name: <input type=”text” name=”fname”><br> <input type=”submit” value=”Submit”> </form><meter form=”form1″ name=”x1″ min=”0″ low=”40″ high=”90″ max=”100″ value=”95″></meter> Try it Yourself » Definition and Usage The form attribute specifies one or more forms the <meter> element belongs to. HTML <meter> high Attribute Example A gauge with a current value and min, max, high, […]
Example A video with two subtitle tracks, both with a label defined: <video width=”320″ height=”240″ controls> <source src=”forrest_gump.mp4″ type=”video/mp4″> <track src=”subtitles_en.vtt” kind=”subtitles” srclang=”en” label=”English”> <track src=”subtitles_no.vtt” kind=”subtitles” srclang=”no” label=”Norwegian”> </video> Definition and Usage The label attribute specifies the title of the text track. The title of the text track is used by the browser when listing available text tracks. Browser Support The numbers in the table specify the […]
Blockquote Object The Blockquote object represents an HTML <blockquote> element. Access a Blockquote Object You can access a <blockquote> element by using getElementById(): Example var x = document.getElementById(“myBlockquote”); Try it Yourself » Create a Blockquote Object You can create a <blockquote> element by using the document.createElement() method: Example var x = document.createElement(“BLOCKQUOTE”); Try it Yourself » Blockquote […]
