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JavaScript Reserved Words

The following are reserved words in JavaScript. They cannot be used as JavaScript variables, functions, methods, loop labels, or object names.

Reserved Words

abstract arguments boolean break byte
case catch char class* const
continue debugger default delete do
double else enum* eval export*
extends* false final finally float
for function goto if implements
import* in instanceof int interface
let long native new null
package private protected public return
short static super* switch synchronized
this throw throws transient true
try typeof var void volatile
while with yield