🗝️keyword

🚧 施工中

JSgrammartoken ⟩ keyword

A keyword is a token that matches IdentifierName (looks like an identifier), but also has a syntactic use. (📘ECMA )

// 54 keywords
as async await break case catch class const continue 
debugger default delete do else enum export extends 
false finally for from function get 
if implements import in instanceof interface 
let meta new null of package private protected public return 
set static super switch target this throw true try typeof 
var void while with yield

keywords can be divided into:

NaN/Infinity/ undefined is:

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