Is array a reserved word in javascript?

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JavaScript Standards
JavaScript Reserved Words
JavaScript Objects, Properties, and Methods
Java Reserved Words
Windows Reserved Words
HTML Event Handlers
Which are JavaScript reserved words?
Which is not a reserved word in JavaScript?
Is enum a reserved word in JavaScript?
Is state a reserved word in JavaScript?

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In JavaScript you cannot use these reserved words as variables names, labels names or function names.

Reserved Words:

abstract	arguments	boolean	break	byte
case	catch	char	const	continue
debugger	default	delete	do	double
else	eval	false	final	finally
float	for	function	goto	if
implements	in	instanceof	int	interface
long	native	new	null	package
private	protected	public	return	short
static	switch	synchronized	this	throw
throws	transient	true	try	typeof
var	void	volatile	while	with
yield

Reserved Words added in ECMAScript 5 and 6.

awaits	class	enum	export
extends	import	let	super

Removed Reserved Words

Following reserved words has been removed from ECMAScript 5 and 6.

abstract	boolean	byte	char
double	final	float	goto
int	long	native	short
synchronized	throws	transient	volatile

In JavaScript, some identifiers are reserved words and cannot be used as variables or function names.

JavaScript Standards

ECMAScript 3 (ES3) was released in December 1999.

ECMAScript 4 (ES4) was abandoned.

ECMAScript 5 (ES5) was released in December 2009.

ECMAScript 6 (ES6) was released in June 2015, and is the latest official version of JavaScript.

Time passes, and we are now beginning to see complete support for ES5/ES6 in all modern browsers.

JavaScript Reserved Words

In JavaScript you cannot use these reserved words as variables, labels, or function names:

abstract	arguments	boolean	break	byte
case	catch	char	class*	const
continue	debugger	default	delete	do
double	else	enum*	eval	export*
extends*	false	final	finally	float
for	function	goto	if	implements
import*	in	instanceof	int	interface
let	long	native	new	null
package	private	protected	public	return
short	static	super*	switch	synchronized
this	throw	throws	transient	true
try	typeof	var	void	volatile
while	with	yield

Words marked with* are new in ECMAScript5

JavaScript Objects, Properties, and Methods

You should also avoid using the name of JavaScript built-in objects, properties, and methods:

Array	Date	eval	function	hasOwnProperty
Infinity	isFinite	isNaN	isPrototypeOf	length
Math	NaN	name	Number	Object
prototype	String	toString	undefined	valueOf

Java Reserved Words

JavaScript is often used together with Java. You should avoid using some Java objects and properties as JavaScript identifiers:

getClass

java

JavaArray

javaClass

JavaObject

JavaPackage

Windows Reserved Words

JavaScript can be used outside HTML. It can be used as the programming language in many other applications.

In HTML you must (for portability you should) avoid using the name of HTML and Windows objects and properties:

alert	all	anchor	anchors	area
assign	blur	button	checkbox	clearInterval
clearTimeout	clientInformation	close	closed	confirm
constructor	crypto	decodeURI	decodeURIComponent	defaultStatus
document	element	elements	embed	embeds
encodeURI	encodeURIComponent	escape	event	fileUpload
focus	form	forms	frame	innerHeight
innerWidth	layer	layers	link	location
mimeTypes	navigate	navigator	frames	frameRate
hidden	history	image	images	offscreenBuffering
open	opener	option	outerHeight	outerWidth
packages	pageXOffset	pageYOffset	parent	parseFloat
parseInt	password	pkcs11	plugin	prompt
propertyIsEnum	radio	reset	screenX	screenY
scroll	secure	select	self	setInterval
setTimeout	status	submit	taint	text
textarea	top	unescape	untaint	window

HTML Event Handlers

In addition you should avoid using the name of all HTML event handlers.

Examples:

onblur	onclick	onerror	onfocus
onkeydown	onkeypress	onkeyup	onmouseover
onload	onmouseup	onmousedown	onsubmit

Which are JavaScript reserved words?

JavaScript Reserved Words.

Which is not a reserved word in JavaScript?

The NaN , Infinity , and undefined are not reserved keywords in JavaScript But you must avoid using them. They are properties of the global object and have special meanings. Although they are immutable & read-only properties, JavaScript does not throw any errors if you declare them in the global scope.

Is enum a reserved word in JavaScript?

enum is reserved in both strict and sloppy mode. while the following keywords are reserved in strict mode.

Is state a reserved word in JavaScript?

No state is not a reserved word.

Is array a reserved word in javascript?

JavaScript Standards

JavaScript Reserved Words

JavaScript Objects, Properties, and Methods

Java Reserved Words

Windows Reserved Words

HTML Event Handlers

Which are JavaScript reserved words?

Which is not a reserved word in JavaScript?

Is enum a reserved word in JavaScript?

Is state a reserved word in JavaScript?

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