Revert JavaScript back to its old color

Literally the entire Internet thinks these colors are too much:

https://twitter.com/passy/status/459364845830152193
https://twitter.com/chr_montgomery/status/459344416713744384
https://twitter.com/stev4niTy/status/459330521768534017
https://twitter.com/esorribas/status/459235930118029313
https://twitter.com/ThomSeddon/status/459235150917033984
https://twitter.com/wlaurance/status/459104364129710080
https://twitter.com/danielstjules/status/459084348977721344
https://twitter.com/engrishsmitelli/status/459077518176563200
https://twitter.com/smitelli/status/459077305655365633