i can copy anything i want
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// @name csdn copy
// @namespace http://tampermonkey.net/
// @version 0.1
// @description i can copy anything i want
// @author You
// @match https://blog.csdn.net/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=csdn.net
// @grant none
// ==/UserScript==
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'use strict';
document.body.contentEditable='true';
// Your code here...
})();