JavaScript Keywords

Keywords are the certain reserved words that have predefined meaning.

These words cannot be used as identifiers in JavaScript program.

The list of keyword in JavaScript.

break    do    function   null   typeof 

case    else     if      return    var

continue   export  import switch  void

default   false    in     this   while

delete    for     new     true    with

There are also certain other reserve words that are not used in JavaScript but are reserved by the ECMA standard as possible future extensions to the languages.

catch   const   enum    finally    throw

class   debugger  extends  super     try

JavaScript also reserves key words from java for possible future extensions. Java keywords that are reserved but not yet used by JavaScript are:

abstract  final  in  private  synchronized

boolean  float  interface  protected  throws
byte    goto   long    public     transient

char   implements    native       short

double    instanceof    package    static

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