Moar arguments, moar speed?!
A short summary about these terms, an overview of how V8 / Crankshaft works.
It's coming, it's awesome, but some features might still be worth transpiling.
My attempt at clickbait. Also, an interesting (who said "useless") JS performance tip.
What I did to help avoid bailouts on rest parameters transpilation.
Babel might prevent some V8 optimizations to happen. Also, have you heard about Unsupported Phi Use of Arguments?