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HTML 5 audio tags can be styled. By using the audio tag with “controls” attribute, the default browsers player is used. You can customize by not using the browsers controls. By removing the controls attribute, you can hide the built in browser user’s interface − Play Pause Vol+ Vol- You can also add CSS classes to each one of the elements and style them accordingly.
Use toDataURL() method to get the image data URL of the canvas. It converts the drawing (canvas) into a64 bit encoded PNG URL.ExampleYou can try to run the following code to save the canvas as an image − var canvas = document.getElementById('newCanvas'); var ctx = canvas.getContext('2d'); // draw any shape ctx.beginPath(); ctx.moveTo(120, 50); ctx.bezierCurveTo(130,100, 130, 250, 330, 150); ctx.bezierCurveTo(350,180, 320, 180, 240, 150); ctx.bezierCurveTo(320,150, 420, 120, 390, 100); ctx.bezierCurveTo(130,40, 370, 30, 240, 50); ctx.bezierCurveTo(220,7, 350, 20, 150, 50); ctx.bezierCurveTo(250,5, 150, 20, 170, 80); ctx.closePath(); ctx.lineWidth = 3; ctx.fillStyle ='#F1F1F1'; ctx.fill(); ctx.stroke(); var dataURL =canvas.toDataURL();
The elements that are drawn in canvas element have no representation. Their only representation is the pixels they use and their color. Drawing to a canvas element means drawing a bitmap in immediate mode. To get a click event on a canvas element (shape), you need to capture click events on the canvas HTML element and determine which element was clicked. This requires storing the element’s width and height.To add a click event to your canvas element, use the below-given codecanvas.addEventListener('click', function() { }, false);ExampleTo determine what element was clicked, use the following code snippet −var e = document.getElementById('myCanvas'), ... Read More
To center canvas in HTML 5, include the canvas tag in div tag. Then we can center align the div tag. By doing so, the canvas is also center aligned.Example. This is my canvas
The allowsInlineMediaPlayback property of a UIWebView) enables/ disables in line media playback in the iOS web browser for a native app. By default, on iPhone this is set to NO, but on iPad its set to YES. Hence, the native video player takes over the screen, thus obstructing us from playing other dynamic content simultaneously with the video Adjust this behaviour in HTML as follows − iOS10+ In iOS 10+, Apple has now enabled the attribute playsinline in all the web browsers on iOS 10. Now, play around with this easily −
The globalAlpha property returns the transparency value of drawing. The value 1.0 of this property specifies no transparency and the value 0.0 of this property specifies full transparency. Hence, by setting the globalAlpha property to 0.0, we can get a transparent canvas.ExampleYou can try to run the following code to make a transparent canvas − Your browser does not support the HTML5 canvas tag. var c = document.getElementById("idCanvas"); var ctx = c.getContext("2d"); ctx.fillStyle = "green"; ctx.fillRect(20, 20, 75, 50); ctx.globalAlpha = 0.0; ctx.fillStyle = "yellow"; ctx.fillRect(50, 50, 75, 50); ctx.fillStyle = "red"; ctx.fillRect(80, 80, 75, 50);
The drawImage() method is used to draw image, canvas and videos on canvas. It can also draw part of image and increase or decrease the image size.ExampleLet us see an example −//context grabbed from your destination canvas ctx = destinationCanvas.getContext('2d'); //drawImage() called passing the source canvas directly dCtx.drawImage(sourceCanvas, 0, 0);In this code, firstly the image is copied from the source canvas. The sourceCanvas can be a HTMLImageElement, HTMLVideoElement, or a HTMLCanvasElement. A canvas drawing context cannot be used as a source. If a canvas drawing context is your source canvas then there is a reference to the original canvas ... Read More
Unlike HTML 4.01, HTML 5 does not support the tag. The makes the text font size one size smaller down to the browser's minimum font size. For example, the use of the tag in a text which is of large font size makes the font size to medium. In HTML5, this element is repurposed to represent side-comments and small print. It also supports the global attributes and event attributes in HTMLOn the contrary, the tag would make the text appear one size larger than the actual font size of the text. Though this tag is not ... Read More
Use the tag to define a dialog box in HTML. The following are the attributes −AttributeValueDescriptionopenopenopens a dialog box and user can interact with itExampleYou can try to run the following code to learn how to work with tag − HTML dialog Tag Tutorialspoint We provide tutorials, quizzes, learning videos, etc. Tutorials are free for all
Use the onmousedown attribute to in HTML to execute a script when a mouse button is pressed down on an element.ExampleYou can try to run the following code to implement onmousedown attribute − This is demo heading. Click above and then release. function mouseDown() { document.getElementById("myid").style.color = "yellow"; } function mouseUp() { document.getElementById("myid").style.color = "blue"; }