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.
In JavaScript, you add methods and properties on the prototype property when you want instances of an object to inherit those methods and properties. This is the reason we add the methods on the User.prototype property, so that they can be used by all instances of the User object.