HTML <video> poster Attribute

Example A video player with a poster image: <video controls poster=”/images/w3html5.gif”> <source src=”movie.mp4″ type=”video/mp4″> Your browser does not support the video tag. </video> Try it Yourself » Definition and Usage The poster attribute specifies an image to be shown while the video is downloading, or until the user hits the play button. If this is not included, the […]

HTML <video> controls Attribute

Example A <video> element with browser default controls: <video controls> <source src=”movie.mp4″ type=”video/mp4″> Your browser does not support the video tag. </video> Try it Yourself » Definition and Usage The controls attribute is a boolean attribute. When present, it specifies that video controls should be displayed. Video controls should include: Play Pause Seeking Volume Fullscreen toggle Captions/Subtitles (when […]

HTML <button> formnovalidate Attribute

Example A form with two submit buttons. The first submit button submits the form data with default validation, and the second submits the form data without validation: <form action=”/action_page.php” method=”get”> E-mail: <input type=”email” name=”userid”><br> <button type=”submit”>Submit</button><br> <button type=”submit” formnovalidate>Submit without validation</button> </form> Try it Yourself » Definition and Usage The formnovalidate attribute is a boolean attribute. When present, it specifies that the form-data […]

HTML <area> media Attribute

Example An image-map, with a clickable area: <img src=”planets.gif” width=”145″ height=”126″ alt=”Planets” usemap=”#planetmap”> <map name=”planetmap”> <area shape=”rect” coords=”0,0,82,126″ alt=”Sun” href=”sun.htm” media=”screen and (min-color-index:256)”> </map> Try it Yourself » Definition and Usage The media attribute specifies what media/device the target URL is optimized for. This attribute is used to specify that the URL is designed for special devices (like iPhone) , speech or print media. This […]