How to Create a JSFiddle Account
Click the Fork button in the top menu.
When you create your own version of a program that’s based on someone else’s code, it’s called forking their code.
Select the URL of your program in the browser address bar and copy it, or just write it down somewhere so you can use it after you create an account.
Click the Login/Sign Up link in the upper-right corner of the screen.
The Log In page appears, as shown here.The JSFiddle Log In page.
Click the Sign Up link under the login form.
The Create an Account page appears.
Fill out the Create an Account form and click Create an Account.
The Edit Your Profile page appears, as shown here. If you like, you can make changes here and save them, but that isn’t required.The Edit Your Profile page.
Click the Editor link at the top of the screen.
The main JSFiddle screen appears with your new username in the upper-right corner of the screen.
Paste or type the URL that you saved in Step 2 into the browser address bar and press Return or Enter.
You’re brought back to your version of the Bubbles demo.
Click Fork again to bring your version of the program into your new JSFiddle account.
Notice that the URL in the browser address bar now contains your JSFiddle username!