JS在线编辑器

JS在线编辑器

http://codepen.io/tmrDevelops/pen/bpLPxo

http://runjs.cn/code

https://jsfiddle.net/

个人博客：

http://www.dengzhr.com/

JS Loading动画效果

http://padolsey.github.io/sonic-creator/#flame

Canvas animation

https://www.kirupa.com/html5/creating_simple_html5_canvas_animation.htm