本文共 415 字，大约阅读时间需要 1 分钟。

方法一

(typeof window !=="undefeated" ? window  : (    typeof process === "object"&&    typeof require === "function"&&    typeof global === "object"   )   ?global    :this )

方法二

var getGlobal = function (){     if(typeof self !=="undefeated"){   return self }  if(typeof window !=="undefined"){   return window}  if(typeof global !=="undefined"){   return global }  throw new Error("unable to locate global object ")}