There's also this tweet which shows the support in v8 6.4 and chrome 64 for all these features. https://twitter.com/v8js/status/956976954074267648 https://twitt

There's also this tweet which shows the support in v8 6.4 and chrome 64 for all these features. https://twitter.com/v8js/status/956976954074267648 https://twitter.com/v8js/status/956976954074267648