These are some alternative processing websites in case you run into problems with your installation or use of Processing.
I have not examined them 100% regarding the pros and cons.
Tutorials Point Delete code between <script> </script> and add your codes there instead.
codepen.io In order to use Codepen, you'll need to paste the following script in the HTML area.
Then type your Processing code inside the <script></script>
step1: Go to codepen.io
step2: Click "Start Coding"
step3: Paste the code from the box below:
step4: type your Processing code.