List of keywords and reserved words in JavaScript

A simple reference to all the keywords and reserved words in JavaScript

This is a list of all the keywords and reserved words.

They cannot be used as variable identifiers.

await
break
case
catch
class
const
continue
debugger
default
delete
do
else
enum
export
extends
false
finally
for
function
if
implements
import
in
instanceof
interface
let
new
null
package
private
protected
public
return
super
switch
static
this
throw
try
True
typeof
var
void
while
with
yield

Written on Mar 3, 2020

→ Get my JavaScript Beginner's Handbook

→ I wrote 17 books to help you become a better developer:

C Handbook
Command Line Handbook
CSS Handbook
Express Handbook
Git Cheat Sheet
Go Handbook
HTML Handbook
JS Handbook
Laravel Handbook
Next.js Handbook
Node.js Handbook
PHP Handbook
Python Handbook
React Handbook
SQL Handbook
Svelte Handbook
Swift Handbook

...download them all now!

Also, JOIN MY CODING BOOTCAMP, an amazing cohort course that will be a huge step up in your coding career - covering React, Next.js - next edition February 2025