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