arrive.js provides events to watch for DOM elements creation and removal. It makes use of Mutation Observers internally.
当前为
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.icu/scripts/519092/1492610/arrivejs%20%28Latest%29.js
Compare with https://cdnjs.com/libraries/arrive