How To Use Canvas To Capture Video Screenshot And Web Page Screenshot
This example will show you how to use Html5 canvas to capture the video screenshot and an entire web page screenshot.
JavaScript Tutorial
How To Fix Uncaught DOMException: Failed To Execute ‘toDataURL’ On ‘HTMLCanvasElement’: Tainted Canvases May Not Be Exported
Recently when I use Html5 canvas to capture video screenshots and save the screenshots to an image, it through the error Uncaught DOMException: Failed to execute ‘toDataURL’ on ‘HTMLCanvasElement’: Tainted canvases may not be exported. This article will tell you how to fix it.
How To Implement Sprite Sheet Animation Using Javascript & Pure CSS
When your JavaScript application needs a lot of images, you may find it will cost so much time to download all those images. Downloading each image will create an HTTP request to your web server, and this will reduce your server performance very much for large HTTP requests. This example will tell you how to …
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How To Disable Enable Button After One Click In Javascript
If you want to disable/enable a button after clicking the button in JavaScript, you can use the button element’s disabled attribute. When you set the button’s disabled attribute’s value to true, then the button will be disabled. When you set the button’s disabled attribute’s value to false, then the button will be enabled. This article will …
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Javascript Substring Vs Substr Vs Slice
There are 3 JavaScript functions that are used to process string variable, they are substring(startIdx, endIdx), substr(startIdx, numberOfCharactors), slice(startIdx, endIdx). If you are a JavaScript beginner, you may confuse about the usage of the 3 functions, this article will tell you the difference between them with examples.
How To Use JavaScript To Get Web Browser Name And Version
When you develop a javascript program, you always need to get the client user’s web browser information such as name and version, .etc. This article will tell you how to get the web-browser data using javascript with examples.
How To Set Html Element ( For Example Canvas ) Position Using Javascript
This example will show you how to set an Html element’s top & left offset position using javascript, through this method you can move a canvas object on an Html web page by specifying it’s top & left offset position.
