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example script to alert "Hello world!" on every page
当前为
// ==UserScript==
// @name Hello World
// @namespace http://diveintogreasemonkey.org/download/
// @description example script to alert "Hello world!" on every page
// @include http://http://www.piaotian.com/*
// @version 0.0.1.20171118141536
// ==/UserScript==
alert('Hello world!');