JavaScript Reserved Words

最新推荐文章于 2025-12-04 10:51:47 发布

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本文列举了JavaScript中的一系列保留字和关键字，并提醒开发者避免将这些词汇用作变量或函数名称，以防引发语法冲突。文章涵盖了核心保留字、ECMAScript保留字以及其他JavaScript相关的关键字。

[url]http://www.quackit.com/javascript/javascript_reserved_words.cfm[/url]


You should avoid using these reserved words and keywords as function or variable names as JavaScript has reserved these words for its own use.

JavaScript Reserved Words 
break continue do for import new this void 
case default else function in return typeof while 
comment delete export if label switch var with 

Java Keywords (Reserved by JavaScript) 
abstract implements protected 
boolean instanceOf public 
byte int short 
char interface static 
double long synchronized 
false native throws 
final null transient 
float package true 
goto private   

ECMAScipt Reserved Words 
catch enum throw 
class extends try 
const finally   
debugger super   

Other JavaScript Keywords 
alert eval Link outerHeight scrollTo 
Anchor FileUpload location outerWidth Select 
Area find Location Packages self 
arguments focus locationbar pageXoffset setInterval 
Array Form Math pageYoffset setTimeout 
assign Frame menubar parent status 
blur frames MimeType parseFloat statusbar 
Boolean Function moveBy parseInt stop 
Button getClass moveTo Password String 
callee Hidden name personalbar Submit 
caller history NaN Plugin sun 
captureEvents History navigate print taint 
Checkbox home navigator prompt Text 
clearInterval Image Navigator prototype Textarea 
clearTimeout Infinity netscape Radio toolbar 
close innerHeight Number ref top 
closed innerWidth Object RegExp toString 
confirm isFinite onBlur releaseEvents unescape 
constructor isNan  onError Reset untaint 
Date java onFocus resizeBy unwatch 
defaultStatus JavaArray onLoad resizeTo valueOf 
document JavaClass onUnload routeEvent watch 
Document JavaObject open scroll window 
Element JavaPackage opener scrollbars Window 
escape length Option scrollBy