Right now, the Javascript is using arrow functions which aren't compatible with older browsers. But if I were to use babelJS, it would transpile my code so it can be used by older browsers.
This may be of help: https://make.wordpress.org/core/2019/03/25/building-javascript/
Right now, the Javascript is using arrow functions which aren't compatible with older browsers. But if I were to use babelJS, it would transpile my code so it can be used by older browsers. This may be of help: https://make.wordpress.org/core/2019/03/25/building-javascript/