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Refer from http://www.cnblogs.com/duhongyu216/articles/1441785.html;  http://www.jb51.net/article/20656.htm 方法1、結合jquery與css前臺頁面定位，滾動頁面時不閃爍（強烈推薦）javascript 一、定義CSScss <style type="text/css">

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