Example Set the background color of the first two columns using the <colgroup> span attribute: <table> <colgroup span=”2″ style=”background:red”></colgroup> <tr> <th>ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> <tr> <td>5869207</td> <td>My first CSS</td> <td>$49</td> </tr> </table> Try it Yourself » Definition and Usage The span attribute defines the number of columns a <colgroup> element […]
Example In the example below, the content of the second column is aligned two characters to the right from the “.” character: <table style=”width:100%”> <colgroup align=”left”></colgroup> <colgroup align=”char” char=”.” charoff=”2″></colgroup> <tr> <th>Month</th> <th>Savings</th> </tr> <tr> <td>January</td> <td>$100.00</td> </tr> <tr> <td>February</td> <td>$10.00</td> </tr> </table> Try it Yourself » Definition and Usage The <colgroup> charoff attribute is not supported in HTML5. The […]
Example Set the background color of the three columns with the <colgroup> and <col> tags: <table> <colgroup> <col span=”2″ style=”background-color:red”> <col style=”background-color:yellow”> </colgroup> <tr> <th>ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> </table> Try it Yourself » Definition and Usage The <col> tag specifies column properties for each column within a <colgroup> element. The <col> tag is […]
Example Two <col> elements with a predefined width: <table> <col width=”130″> <col width=”80″> <tr> <th>Month</th> <th>Savings</th> </tr> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </table> Try it Yourself » Definition and Usage The width attribute specifies the width of a <col> element. Normally, a <col> element takes up the space it needs to display the content. […]
Example Here, the first two columns should have a background color of red: <table> <colgroup> <col span=”2″ style=”background-color:red”> <col style=”background-color:yellow”> </colgroup> <tr> <th>ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> </table> Try it Yourself » Definition and Usage The span attribute defines the number of columns a <col> element should span. Browser Support Attribute span […]
Example In the example below, the content of the second column should be aligned to the “.” character: <table style=”width:100%”> <col align=”left”> <col align=”char” char=”.”> <tr> <th>Month</th> <th>Savings</th> </tr> <tr> <td>January</td> <td>$100.00</td> </tr> <tr> <td>February</td> <td>$10.00</td> </tr> </table> Try it Yourself » Definition and Usage The <col> char attribute is not supported in HTML5. The char attribute specifies the […]
Example Set the background color of the three columns with the <colgroup> and <col> tags: <table> <colgroup> <col span=”2″ style=”background-color:red”> <col style=”background-color:yellow”> </colgroup> <tr> <th>ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> </table> Try it Yourself » Definition and Usage The <colgroup> tag specifies a group of one or more columns in a table for […]
The Code object represents an HTML <code> element. Access a Code Object You can access a <code> element by using getElementById(): Example var x = document.getElementById(“myCode”); Try it Yourself » Create a Code Object You can create a <code> element by using the document.createElement() method: Example var x = document.createElement(“CODE”); Try it Yourself » Standard Properties and […]
Example Format text in a document: <var>Variable</var> Try it Yourself » Definition and Usage The <var> tag is a phrase tag. It defines a variable. Tip: This tag is not deprecated, but it is possible to achieve richer effect with CSS. All phrase tags: Tag Description <em> Renders as emphasized text <strong> Defines important text <code> […]
Cite Object The Cite object represents an HTML <cite> element. Access a Cite Object You can access a <cite> element by using getElementById(): Example var x = document.getElementById(“myCite”); Try it Yourself » Create a Cite Object You can create a <cite> element by using the document.createElement() method: Example var x = document.createElement(“CITE”); Try it Yourself » Standard […]
Caption Object The Caption object represents an HTML <caption> element. Access a Caption Object You can access a <caption> element by using getElementById(): Example var x = document.getElementById(“myCaption”); Try it Yourself » Create a Caption Object You can create a <caption> element by using the document.createElement() method: Example var x = document.createElement(“CAPTION”); Try it Yourself » Tip: You […]
Example Draw a red square, on the fly, and show it inside the <canvas> element: <canvas id=”myCanvas”></canvas> <script> var canvas = document.getElementById(“myCanvas”); var ctx = canvas.getContext(“2d”); ctx.fillStyle = “#FF0000”; ctx.fillRect(0, 0, 80, 80); </script> Try it Yourself » Definition and Usage The <canvas> tag is used to draw graphics, on the fly, via scripting (usually JavaScript). The <canvas> tag is only a container […]
Example A form with two submit buttons. The first submit button submits the form data with method=”get”, and the second submits the form data with method=”post”: <form action=”/action_page.php” method=”get”> First name: <input type=”text” name=”fname”><br> Last name: <input type=”text” name=”lname”><br> <button type=”submit”>Submit</button> <button type=”submit” formmethod=”post”>Submit using POST</button> </form> Try it Yourself » Definition and Usage The formmethod attribute specifies which HTTP method to use when sending the […]
Example A form with two submit buttons. The first submit button submits the form data with default target (“_self”), and the second submits the form data to a new window (target=”_blank”): <form action=”/action_page.php” method=”get”> First name: <input type=”text” name=”fname”><br> Last name: <input type=”text” name=”lname”><br> <button type=”submit” >Submit</button> <button type=”submit” formtarget=”_blank”>Submit to a new window</button> </form> Try it Yourself » Definition and Usage The formtarget attribute specifies where […]
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 […]
Example Two button elements that act as one submit button and one reset button (in a form): <form action=”/action_page.php” method=”get”> First name: <input type=”text” name=”fname”><br> Last name: <input type=”text” name=”lname”><br> <button type=”submit” value=”Submit”>Submit</button> <button type=”reset” value=”Reset”>Reset</button> </form> Try it Yourself » Definition and Usage The type attribute specifies the type of button. Tip: Always specify the type attribute for the <button> element. Different browsers may use different default […]
Example A form with two submit buttons. The first submit button submits the form data to “action_page.php”, and the second submits to “action_page2.php”: <form action=”/action_page.php” method=”get”> First name: <input type=”text” name=”fname”><br> Last name: <input type=”text” name=”lname”><br> <button type=”submit”>Submit</button><br> <button type=”submit” formaction=”/action_page2.php“>Submit to another page</button> </form> Try it Yourself » Definition and Usage The formaction attribute specifies where to send the form-data when a form is submitted. […]
Example A button 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> Last name: <input type=”text” name=”lname”><br> </form> <button type=”submit” form=”form1″ value=”Submit”>Submit</button> Try it Yourself » Definition and Usage The form attribute specifies one or more forms the button belongs to. Browser Support The numbers in the table specify the first browser version that fully supports […]
Example A button with autofocus: <button type=”button” autofocus>Click Me!</button> Try it Yourself » Definition and Usage The autofocus attribute is a boolean attribute. When present, it specifies that a button should automatically get focus when the page loads. Browser Support The numbers in the table specify the first browser version that fully supports the attribute. Attribute autofocus […]
Example A clickable button is marked up as follows: <button type=”button”>Click Me!</button> Try it Yourself » Definition and Usage The <button> tag defines a clickable button. Inside a <button> element you can put content, like text or images. This is the difference between this element and buttons created with the <input> element. Tip: Always specify the type […]
