Head Object The Head object represents an HTML <head> element. Access a Head Object You can access a <head> element by using getElementsByTagName(): var x = document.getElementsByTagName(“HEAD”)[0]; Create a Head Object You can create a <head> element by using the document.createElement() method: var x = document.createElement(“HEAD”); Standard Properties and Events The Anchor object also supports the standard properties and events.
Example Use of the <style> element in an HTML document: <html> <head> <style> h1 {color:red;} p {color:blue;} </style> </head> <body><h1>A heading</h1> <p>A paragraph.</p></body> </html> Try it Yourself » Definition and Usage The <style> tag is used to define style information for an HTML document. Inside the <style> element you specify how HTML elements should render in a […]
Example Use of the <noscript> tag: <script> document.write(“Hello World!”) </script> <noscript>Your browser does not support JavaScript!</noscript> Try it Yourself » Definition and Usage The <noscript> tag defines an alternate content for users that have disabled scripts in their browser or have a browser that doesn’t support script. The <noscript> element can be used in both […]
Heading Object The Heading object represents an HTML heading element: <h1> to <h6>. Access a Heading Object You can access a heading element by using getElementById(): Example var x = document.getElementById(“myHeading”); Try it Yourself » Create a Heading Object You can create a heading element by using the document.createElement() method: Example var x = document.createElement(“H1”); Try it […]
Footer Object The Footer Object is new in HTML5. The Footer object represents an HTML <footer> element. Note: The <footer> element is not supported in Internet Explorer 8 and earlier versions. Access a Footer Object You can access a <footer> element by using getElementById(): Example var x = document.getElementById(“myFooter”); Try it Yourself » Create a Footer Object […]
Example Vertical align the content inside the <thead> element to the bottom: <table> <thead valign=”bottom”> <tr> <th>Month</th> <th>Savings</th> </tr> </thead> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </table> Try it Yourself » Definition and Usage The <thead> valign attribute is not supported in HTML5. Use CSS instead. The valign attribute specifies the vertical alignment of […]
Example Left-align the content inside the <thead> element: <table> <thead align=”left”> <tr> <th>Month</th> <th>Savings</th> </tr> </thead> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </table> Try it Yourself » Definition and Usage The align attribute specifies the horizontal alignment of the content inside the <thead> element. Browser Support Attribute align Yes Yes Yes Yes Yes Note: IE […]
An HTML table with a <thead>, <tbody>, and a <tfoot> element: <table> <thead> <tr> <th>Month</th> <th>Savings</th> </tr> </thead> <tbody> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </tbody> <tfoot> <tr> <td>Sum</td> <td>$180</td> </tr> </tfoot> </table> Try it Yourself » Definition and Usage The <tbody> tag is used to group the body content in an HTML […]
Example An HTML table with a <thead>, <tbody>, and a <tfoot> element: <table> <thead> <tr> <th>Month</th> <th>Savings</th> </tr> </thead> <tbody> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </tbody> <tfoot> <tr> <td>Sum</td> <td>$180</td> </tr> </tfoot> </table> Try it Yourself » Definition and Usage The <thead> tag is used to group header content in an HTML […]
Example A video with two subtitle tracks: <video width=”320″ height=”240″ controls> <source src=”forrest.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 required src attribute specifies the URL of the track file. Browser Support The numbers in the table specify the first browser version that fully supports the attribute. Attribute src 18.0 10.0 31.0 6.0 15.0 Differences Between HTML 4.01 and […]
Example A video with two subtitle tracks: <video width=”320″ height=”240″ controls> <source src=”forrest.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 kind attribute specifies the kind of text track. Browser Support The numbers in the table specify the first browser version that fully supports the attribute. Attribute kind 18.0 10.0 31.0 6.0 15.0 Differences Between HTML 4.01 and HTML5 The […]
Example A video with two subtitle tracks. “English” subtitle is the default: <video width=”320″ height=”240″ controls> <source src=”forrest.mp4″ type=”video/mp4″> <track src=”subtitles_en.vtt” kind=”subtitles” srclang=”en” label=”English” default> <track src=”subtitles_no.vtt” kind=”subtitles” srclang=”no” label=”Norwegian”> </video> Definition and Usage The default attribute is a boolean attribute. When present, it specifies that the track is to be enabled if the user’s preferences do not indicate that another track would be more appropriate. Note: There must not […]
Example A video with two subtitle tracks: <video width=”320″ height=”240″ controls> <source src=”forrest.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 <track> tag specifies text tracks for media elements (<audio> and <video>). This element is used to specify subtitles, caption files or other files containing text, that should be visible when the media is playing. Browser Support The numbers in […]
Not Supported in HTML5 Example Define teletype text: <p><tt>Teletype text</tt></p> Try it Yourself » Definition and Usage The <tt> tag is not supported in HTML5. If <tt> was used for marking up keyboard input, consider the <kbd> element; for variables, consider the <var> element; for computer code, consider the <code> element; and for computer output, consider the <samp> element, or use CSS instead. […]
Example A video player with a specified height and width: <video width=”320″ height=”240″ controls> <source src=”movie.mp4″ type=”video/mp4″> Your browser does not support the video tag. </video> Try it Yourself » Definition and Usage The height attribute specifies the height of a video player, in pixels. Tip: Always specify both the height and width attributes for videos. If height and width are […]
Example A text with word break opportunities: <p> To learn AJAX, you must be familiar with the XML<wbr>Http<wbr>Request Object. </p> Try it Yourself » Definition and Usage The <wbr> (Word Break Opportunity) tag specifies where in a text it would be ok to add a line-break. Tip: When a word is too long, or you are […]
Not Supported in HTML5 Example A directory list: <dir> <li>html</li> <li>xhtml</li> <li>css</li> </dir> Try it Yourself » Definition and Usage The <dir> tag is not supported in HTML5. Use <ul> or CSS instead. The <dir> tag is used to list directory titles. Browser Support Element <dir> Yes Yes Yes Yes Yes Tips and Notes Tip: Use CSS to […]
Example Using the <dialog> element: <table> <tr> <th>January <dialog open>This is an open dialog window</dialog></th> <th>February</th> <th>March</th> </tr> <tr> <td>31</td> <td>28</td> <td>31</td> </tr> </table> Try it Yourself » Definition and Usage The <dialog> tag defines a dialog box or window. The <dialog> element makes it easy to create popup dialogs and modals on a web page. Browser […]
Example Using the <summary> element: <details> <summary>Copyright 1999-2014.</summary> <p> – by Refsnes Data. All Rights Reserved.</p> <p>All content and graphics on this web site are the property of the company Refsnes Data.</p> </details> Try it Yourself » Definition and Usage The <summary> tag defines a visible heading for the <details> element. The heading can be clicked to view/hide […]
Example A description list, with terms and descriptions: <dl> <dt>Coffee</dt> <dd>Black hot drink</dd> <dt>Milk</dt> <dd>White cold drink</dd> </dl> Try it Yourself » Definition and Usage The <dd> tag is used to describe a term/name in a description list. The <dd> tag is used in conjunction with <dl> (defines a description list) and <dt> (defines terms/names). Inside a <dd> tag […]
