4 ms·
NB: Although the ES6 spec requires TCO, it turned out to present significant implementation challenges, so it's only implemented in WebKit (Safari), and is, IIR
by smitherfield 9y ago
NB: Although the ES6 spec requires TCO, it turned out to present significant implementation challenges, so it's only implemented in WebKit (Safari), and is, IIRC, marked WONTFIX in V8 (Chrome, Node), SpiderMonkey (Firefox) and Chakra (Edge). There's a good chance it'll get removed from a later edition of the standard.