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A library that can make you do the things of IndexedDB faster.
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/478225/1270031/Faster%20IndexedDB%20Geter.js
A small library that can make you do the things of IndexedDB faster.
The method is unsafeWindow.ReadIndexedDB (window.ReadIndexedDB outside), takes three parameters: storeName, groupName, keyName. It returns a Promise object. If it reads successful, the Promise will resolve the value you would get in IndexedDB, otherwise, it will reject the error.