zarezerwowane słowa

as [æz, əz]
async
await [əˈweɪt]

breake [breɪk]

case [keɪs]
catch [kætʃ]
class [klɑ:s, Am klæs]
const
continue [kənˈtɪnju]

debugger [diːˈbʌgə(ɹ)/ lub /diːˈbʊgə]
default [dɪˈfɔ:lt, Am -ˈfɑ:lt]
delete [dɪˈli:t]
do [du:]

else [els]
export [ɪkˈspɔ:t, Am -ˈspɔ:rt]
extends [ɪkˈstends]

false finally for from function
get [get]

if import in instanceof
let [let]

new null
of
return
set static super switch
target this throw try typeof
var void
while with
yield