TC39 has a famous "don't break the internet" mantra. Even the leeway that Python has with deprecations/features JavaScript doesn't. It's versionless, code automatically gets updated to whatever the browser is using.
JavaScript evolves quickly but so does Python!
(Note that your approach is exactly what they said in the 2 to 3 transiton btw with a special tool that didn't work too well)
JavaScript evolves quickly but so does Python!
(Note that your approach is exactly what they said in the 2 to 3 transiton btw with a special tool that didn't work too well)