JS简单封装的图片无缝滚动效果示例【测试可用】
onlyfu 人气:1本文实例讲述了JS简单封装的图片无缝滚动效果。分享给大家供大家参考,具体如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="utf-8"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无缝滚动图片示例-F-BLOG</title> <style type="text/css"> ul{list-style:none;padding:0px;margin:0px;} #demo1 ul,#demo2 ul{width:400px;} #demo1 li,#demo2 li{float:left;} </style> <script type="text/javascript"> function $(id){ return document.getElementById(id); } function Marquee(id,toFollow,speed) { var doScroll; var scrollBox_x="<table cellpadding='0' cellspacing='0'><tr><td id='"+id+"abox'>"+$(id).innerHTML+"</td><td id='"+id+"bbox'>"+$(id).innerHTML+"</td></tr></table>"; var scrollBox_y="<table cellpadding='0' cellspacing='0'><tr><td id='"+id+"abox'>"+$(id).innerHTML+"</td></tr><tr><td id='"+id+"bbox'>"+$(id).innerHTML+"</td></tr></table>"; var begin=function(){ switch(toFollow){ case "left": $(id).innerHTML=scrollBox_x; doScroll=setInterval(function(){ if($(id).scrollLeft==$(id+"abox").offsetWidth) $(id).scrollLeft=0; $(id).scrollLeft++; },speed); break; case "right": $(id).innerHTML=scrollBox_x; doScroll=setInterval(function(){ if($(id).scrollLeft<=0) $(id).scrollLeft=$(id+"bbox").offsetWidth; $(id).scrollLeft--; },speed); break; case "top": $(id).innerHTML=scrollBox_y; doScroll=setInterval(function(){ if($(id).scrollTop==$(id+"abox").offsetHeight) $(id).scrollTop=0; $(id).scrollTop++; },speed); break; case "bottom": $(id).innerHTML=scrollBox_y; doScroll=setInterval(function(){ if($(id).scrollTop<=0) $(id).scrollTop=$(id+"bbox").offsetHeight; $(id).scrollTop--; },speed); break; } } begin(); $(id).onmouseover=function() {clearInterval(doScroll);} $(id).onmouseout=function() {begin();} } window.onload=function(){ Marquee("demo2","left",30); Marquee("demo1","right",20); Marquee("demo3","top",30); Marquee("demo4","bottom",30); } </script> </head> <body> <div id="demo1" style="overflow:hidden;height:100px;width:300px;"> <ul> <li><img src="mm.jpg" mce_src="mm.jpg" style="height:100px;width:200px;" /></li> <li><img src="me.jpg" mce_src="me.jpg" style="height:100px;width:200px;" /></li> </ul> </div> <br/> <div id="demo2" style="overflow:hidden;height:100px;width:300px;"> <ul> <li><img src="mm.jpg" mce_src="mm.jpg" style="height:100px;width:200px;" /></li> <li><img src="me.jpg" mce_src="me.jpg" style="height:100px;width:200px;" /></li> </ul> </div> <br/> <div id="demo3" style="overflow:hidden;height:150px;width:200px;"> <ul> <li><img src="mm.jpg" mce_src="mm.jpg" style="height:100px;width:200px;" /></li> <li><img src="me.jpg" mce_src="me.jpg" style="height:100px;width:200px;" /></li> </ul> </div> <br/> <div id="demo4" style="overflow:hidden;height:150px;width:200px;"> <ul> <li><img src="mm.jpg" mce_src="mm.jpg" style="height:100px;width:200px;" /></li> <li><img src="me.jpg" mce_src="me.jpg" style="height:100px;width:200px;" /></li> </ul> </div> </body> </html>
希望本文所述对大家JavaScript程序设计有所帮助。
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