break
case
catch
class
const
continue
default
do
else
extends
fallthrough
finally
for
for ever
function
if
implements
it
let
loop
new
null
otherwise
own
return
super
switch
that
then
this
throw
try
unless
until
var
void
when
while
yield

----------------------------------------------------

[
	["keyword", "break"],
	["keyword", "case"],
	["keyword", "catch"],
	["keyword", "class"],
	["keyword", "const"],
	["keyword", "continue"],
	["keyword", "default"],
	["keyword", "do"],
	["keyword", "else"],
	["keyword", "extends"],
	["keyword", "fallthrough"],
	["keyword", "finally"],
	["keyword", "for"],
	["keyword", "for ever"],
	["keyword", "function"],
	["keyword", "if"],
	["keyword", "implements"],
	["keyword", "it"],
	["keyword", "let"],
	["keyword", "loop"],
	["keyword", "new"],
	["keyword", "null"],
	["keyword", "otherwise"],
	["keyword", "own"],
	["keyword", "return"],
	["keyword", "super"],
	["keyword", "switch"],
	["keyword", "that"],
	["keyword", "then"],
	["keyword", "this"],
	["keyword", "throw"],
	["keyword", "try"],
	["keyword", "unless"],
	["keyword", "until"],
	["keyword", "var"],
	["keyword", "void"],
	["keyword", "when"],
	["keyword", "while"],
	["keyword", "yield"]
]

----------------------------------------------------

Checks for all keywords.