JavaScript 中最重要的保留字

JavaScript 保留了一些關鍵字,這些關鍵字在當前的語言版本中並無使用,但在之後 JavaScript 擴展中會用到。this

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