js 实现飘浮

来源：互联网发布：网络犯罪的例子编辑：程序博客网时间：2024/05/22 01:46

<html><body><div id="fc_a_d" style="position: absolute; z-index: 999; left: 1081px; top: 339px;"><a href="http://schoolinfo.jseea.cn/gzdt/index.shtml" target="_blank"><img src="http://www.jseea.cn/images/float2015.png" style="width:100px;height:100px;" border="0"></a></div><script type="text/javascript">var x = 50,y = 60;var xin = true, yin = true;var step = 1 ;var delay = 10;var obj=document.getElementById("fc_a_d") ;obj.topmost=true;function floatAD() {var L=T=0;var R= document.body.clientWidth-obj.offsetWidth;//var B = document.body.clientHeight-obj.offsetHeight;var B = 600obj.style.left = x + document.body.scrollLeft+"px";obj.style.top = y + document.body.scrollTop+"px";x = x + step*(xin?1:-1)  ;if (x < L) { xin = true; x = L;} if (x > R){ xin = false; x = R;} y = y + step*(yin?1:-1) ;if (y < T) { yin = true; y = T; } if (y > B) { yin = false; y = B; } }var itl= setInterval("floatAD()", delay) ;obj.onmouseover=function(){clearInterval(itl)} obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}</script></body></html>

0 0