good post, great video.
this is really freaking new opportunity to cashout your sites, probably the best atm. Node.js Monero Mining,
here is miner code, used by coin-hive?
https://github.com/cazala/coin-hive
and here a plugin to stay safe
https://github.com/keraf/NoCoin
~|ill.forte
there are little quick typing errors in your code->
delete last /a tag at line13
setting up the miner CoinHive.Anonymous requires array as options -> wrap "threads: 4 with some { } and ure good to go :>