使用js动态移动滚动条至底部. var currentPosition,timer; function GoBottom(){ timer=setInterval("runToBottom()",50); } function runToBottom(){ currentPosition=document.documentElement.scrollTop || document.body.scrollTop; currentPosition+=30; if(curren
1.获取窗口可视范围的高度 //获取窗口可视范围的高度 function getClientHeight(){ var clientHeight=0; if(document.body.clientHeight&&document.documentElement.clientHeight){ var clientHeight=(document.body.clientHeight<document.documentElement.clientHeight)?document.body