Appendix C. ECMAScript Reserved Keywords
All
of the words in the following table are reserved for use by the
ECMAScript interpreter built into scriptable browsers. You may not
use these words as identifiers for variables, functions, or objects.
A majority of these words are already used by current implementations
of JavaScript, while others may become part of the vocabulary in
future versions:
abstract
|
boolean
|
break
|
byte
|
case
|
catch
|
char
|
class
|
const
|
continue
|
debugger
|
default
|
delete
|
do
|
double
|
else
|
enum
|
export
|
extends
|
final
|
finally
|
float
|
for
|
function
|
goto
|
if
|
implements
|
import
|
in
|
instanceof
|
int
|
interface
|
long
|
native
|
new
|
package
|
private
|
protected
|
public
|
return
|
short
|
static
|
super
|
switch
|
synchronized
|
this
|
throw
|
throws
|
transient
|
try
|
typeof
|
var
|
void
|
volatile
|
while
|
with
|
|
