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js滚动条回到顶部的代码_javascript技巧

WBOY
WBOYOriginal
2016-05-16 17:58:461096browse

虽然平滑性处理的不好,但非常适合学习

复制代码 代码如下:











初始化


style="position:fixed;right:10px;bottom:50px;width:20px;height:70px;background-color:red;cursor:hand;"
onclick="myScroll()">返回顶端




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