JavaScript Reserved Words
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External
Internal
Overview
Reserved words cannot be used as variables, labels, or function names.
Reserved Words
abstract
arguments
await
ECMAScript 5 and 6.
boolean
break
byte
case
catch
char
class
ECMAScript 5 and 6.
const
continue
debugger
default
delete
do
double
else
enum
ECMAScript 5 and 6.
eval
export
ECMAScript 5 and 6.
extends
ECMAScript 5 and 6.
false
final
finally
float
for
function
goto
if
implements
import
in
instanceof
int
interface
let
ECMAScript 5 and 6.
long
native
new
null
package
private
protected
public
return
short
static
super
ECMAScript 5 and 6.