你正在訪問的內容是外部程式的映像位址，僅用於使用者加速訪問，本站無法保證其可靠性。當前的連結位址(單點即可複製)為 https://greasyfork.org.cn/zh-CN/scripts/429557-gmrequirechecker，源站連結 點此以跳轉。
Require this script and you will get variable GMRequireChecker equals to true if loaded. In other cases, variable GMRequireChecker will just not exists.
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.org.cn/scripts/429557/951692/GMRequireChecker.js
A simple script to check whether @require works.
if it works, then you can get variable GMRequiredJSLoaded which equals to true. Otherwise, GMRequiredJSLoaded will just not exist.
You can also use this script to check whether your script is running in a non-ScriptManager-environment.