Since your electric instrument's sound reaches the world only by virtue of the amp you play through, it's important that you make a good, informed choice. The quality and capabilities of your amplifier should be a good match for your instrument.
Microsoft Edge & ES2015. Microsoft Edge supports most ES2015 features and scores a best-in-class 81% on the ES6 Compat Table with experimental JavaScript features enabled via about:flags. Most of the ES2015 functionality in Microsoft Edge is ready for use and on by default without a flag.
To write JavaScript code, all you need is a basic text editor like Notepad in Windows, Gimp in Linux, or BBEdit. Some text editors, like BBEdit feature syntax highlighting for JavaScript. This will allow you easily identify elements of JavaScript code. The latest versions of Internet Explorer, Firefox, and Opera all support JavaScript.