This application is written in JavaScript and requires no special development environment. All you need is a code editor or IDE (e.g. Visual Studio Code) and Git installed.
You need Git to clone the JavaScript SDK Chat App from the GitHub repository.
Even if you have Git installed you may want to ensure that it’s the latest version. Follow the Getting Started - Installing Git guide to install Git.
Next, check the Git installation. Open your terminal and run the below command to ensure Git is installed. You should see a version number after you run the command:
Your development environment is now ready. Next, you need to configure your PubNub API keys for the JavaScript SDK Chat Application.