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A Code Snippet for detecting if the script is being ran in an Userscript Manager.
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.greasyfork.org/scripts/453189/1106477/Userscript%20Manager%20Detection.js
A Code Snippet for detecting if the script is being ran in an Userscript Manager. Made by Taureon.
How to use:
var isInUserscriptContext = typeof GM === 'object' || typeof GM_info === 'object'; to the beginning of your script.isInUserscriptContext anytime when required.