1 关键字
break
case
catch
continue
default
delete
do
else
finally
for
function
if
in
instanceof
new
return
switch
this
throw
try
typeof
var
void
while
with
2 保留字
abstract
boolean
byte
char
class
const
debugger
double
enum
export
extends
fimal
float
goto
implements
import
int
interface
long
mative
package
private
protected
public
short
static
super
synchronized
throws
transient
volatile