Here in these series of video tutorials I explained how to use HTML5 Canvas to draw graphics. This tutorial is started from basics.
If you have a sprite image (image sequences that merged into one file) and you want to play it in your website, you can use this script.
Here I share my experience to bring AdMob Rewarded Video Ad into my apps. This kind of app works well because users will watch the ads completely to get rewarded, for example to get virtual coins, gems, etc.
If you want to call a function after a specific amount of time, just like using a timer, you can call setTimeout() or setInterval() function.