go-top.js 下载 用来制作“回到顶部”特效，发现不少朋友在找这个文件，于是花些时间找到了原版，在网页上实现“回到顶部”特效用着舒服，可以有动画效果，里面的一些参数说明:

　　pageWidth:960,// 页面宽度

　　nodeId: go-top ,// Go Top 节点的 ID

　　nodeWidth　　:50,// Go Top 节点宽度

　　distanceToBottom:120,// Go Top 节点上边到页面底部的距离

　　distanceToPage:20,// Go Top 节点左边到页面右边的距离

　　hideRegionHeight:90,// 隐藏节点区域的高度 (该区域从页面顶部开始)

　　text: // Go Top 的文本内容-go-top.js download used to make　Back to the top of the　special effects, found a lot of friends looking for the file, so take the time to find the original, and　Back to top　effects with a comfortable on the page, you can have animated effects, some of the parameters inside the descr iption:

pageWidth: 960, // page width

nodeId:　go-top , // Go Top node ID

nodeWidth: 50, // Go Top node width

distanceToBottom: 120, // Go Top node distance above the bottom of the page to

distanceToPage: 20, on the left Top node // Go the distance to the right of the page

hideRegionHeight: 90, // hidden height node region (the area　the top of the page to start)

text:　　// of text content Go Top