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.

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