These two tools were just born and are still being improved. Although jsFiddle is better than JSBin at present, I still prefer the latter.
First: jsFiddle
A powerful JS online debugging tool that supports a variety of mainstream frameworks for a variety of applications and can be directly edited and debugged online: HTML, CSS, and JavaScript, which is very convenient to use, in addition, the debugging results can be directly embedded in other webpages with very simple pages. In this way, when I need to write the JavaScript instance code for demonstration, in jsFiddle, you can directly complete the compilation and debugging, and then directly embed the results into the Blog body. This is really a convenient choice, as shown below ( In this example, you can only view the Result in Firefox.).
Second: JS Bin
Another online debugging tool is simpler than jsFiddle. Although CSS debugging cannot be performed online independently, it does not provide a simple way to directly embed webpages, however, this is a very good tool to help develop and debug JavaScript scripts online. It is also an open-source program and is continuously improving and improving it, if you are interested, you can study its source code by yourself.
These two tools were just born and are still being improved. Although jsFiddle is better than JS Bin at present, I still prefer the latter, in the introduction to the github project homepage, the author of JS Bin Said that it only took him four hours to develop the first version. He is really a strong developer. He will completely refactor the second version under development, coming soon.
Author: Justin
Source: http://justinw.cnblogs.com/