V8 v6.8 performance boosts:
array destructuring
Object.assign
TypedArray#sort
WebAssembly
https://v8project.blogspot.com/2018/06/v8-release-68.html …https://twitter.com/v8js/status/1009753739060826112 …
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The run-time performance should be on par, so you wouldn’t miss out there. But sure, the transpiled code would be larger in size, which means increased load time as well as parse + compile cost.