HTML <tr> align Attribute

Example Right-align the content of all the cells in the second table row: <table> <tr> <th>Month</th> <th>Savings</th> </tr> <tr align=”right”> <td>January</td> <td>$100</td> </tr> </table> Try it Yourself » Definition and Usage The align attribute specifies the horizontal alignment of the content in a table row. Browser Support Attribute align Yes Yes Yes Yes Yes Note: None of […]

HTML DOM DFN Object

DFN Object The DFN object represents an HTML <dfn> element. Access a DFN Object You can access a <dfn> element by using getElementById(): Example var x = document.getElementById(“myDFN”); Try it Yourself » Create a DFN Object You can create a <dfn> element by using the document.createElement() method: Example var x = document.createElement(“DFN”); Try it Yourself » Standard […]

HTML <button> name Attribute

Example Two buttons with equal names, that submit different values when clicked: <form action=”/action_page.php” method=”get”> Choose your favorite subject: <button name=”subject” type=”submit” value=”HTML”>HTML</button> <button name=”subject” type=”submit” value=”CSS”>CSS</button> </form> Try it Yourself » Definition and Usage The name attribute specifies the name for a <button> element. The name attribute is used to reference form-data after the form has been submitted, or to reference the […]

HTML <area> shape Attribute

Example An image-map, with clickable areas: <img src =”planets.gif” width=”145″ height=”126″ alt=”Planets” usemap=”#planetmap”> <map name=”planetmap”> <area shape=”rect” coords=”0,0,82,126″ href=”sun.htm” alt=”Sun”> <area shape=”circle” coords=”90,58,3″ href=”mercur.htm” alt=”Mercury”> <area shape=”circle” coords=”124,58,8″ href=”venus.htm” alt=”Venus”> </map> Try it Yourself » Definition and Usage The shape attribute specifies the shape of an area. The shape attribute is used together with the coords attribute to specify the size, shape, and placement of an area. Browser Support Attribute shape Yes Yes Yes Yes […]

HTML <a> coords Attribute

Example Use of the shape and coords attribute in an <a> element, to create an image-map: <object data=”planets.gif” alt=”Planets” type=”image/gif” usemap=”#Map1″> <map name=”Map1″> <a href=”sun.htm” shape=”rect” coords=”0,0,82,126″>The Sun</a> <a href=”mercur.htm”shape=”circle” coords=”90,58,3″>Mercury</a> <a href=”venus.htm” shape=”circle” coords=”124,58,8″>Venus</a> </map> </object> Try it Yourself » Definition and Usage The <a> coords attribute is not supported in HTML5. The coords attribute is used together with the shape attribute to specify the size, shape, and placement […]

HTML The id Attribute

Using The id Attribute The id attribute specifies a unique id for an HTML element (the value must be unique within the HTML document). The id value can be used by CSS and JavaScript to perform certain tasks for a unique element with the specified id value. In CSS, to select an element with a specific id, […]