JavaScript Keywords

JavaScript Keywords must be in your information because you can not use them as a variable name.

What are keywords?

Keywords are reserve words in JavaScript which you cannot use to name the variables labels, or function names. Here are a total of 63 keywords which Java script provides the programmers. All of them are shown in the below mentioned diagram:

JavaScript Reserved Keywords List

You can't use keyword as identifier in your JavaScript programs, its reserved words and used to perform an internal operation.

abstractargumentsbooleanbreak
bytecasecatchchar
constcontinuedebuggerdefault
deletedodoubleelse
evalfalsefinalfinally
floatforfunctiongoto
ifimplementsininstanceof
intinterfaceletlong
nativenewnullpackage
privateprotectedpublicreturn
shortstaticswitchsynchronized
thisthrowthrowstransient
truetrytypeofvar
voidvolatilewhilewith
yield

ECMAScript5 New Keywords

classenumexportextends
importsuper

Courses
Subscribe Updates via Email

Join 49,000+ W3schools lovers and get all the latest tutorials, programs, algorithms in your inbox.