提示：您可以先修改部分代碼再運行
<!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"><head><title>javascript迴圈停頓上下滾動的文本代碼</title><meta http-equiv="content-type" content="text/html;charset=gb2312"><!--把下面代碼加到<head>與</head>之間--><style type="text/css">#block2{height:23px;width:500px;border:#ccc 1px solid;font-size:12px;text-align:center;}#block2 ul{list-style:outside none none;height:17px;padding:3px 0;overflow:hidden;margin:0;}#block2 ul li{float:left;display:inline;margin:2px 0;height:14px;width:24.9%;}#block2 ul li a{text-decoration:none;}</style></head><body><!--把下面代碼加到<body>與</body>之間--><div id="block2"> <ul id="rolltxt"> <li>站長天空1</li> <li>站長天空2</li> <li>站長天空3</li> <li>站長天空4</li> <li>站長天空5</li> <li>站長天空6</li> <li>站長天空7</li> <li>站長天空8</li> <li>站長天空9</li> <li>站長天空10</li> <li>站長天空11</li> <li>站長天空12</li> <li>站長天空13</li> <li>站長天空14</li> <li>站長天空15</li> <li>站長天空16</li> </ul></div><script type="text/javascript"> function extractNodes(pNode){if(pNode.nodeType == 3)return null;var node,nodes = new Array();for(var i=0;node= pNode.childNodes[i];i++){if(node.nodeType == 1)nodes.push(node);}return nodes;}var obj=document.getElementById("rolltxt");for(i=0;i<4;i++){obj.appendChild(extractNodes(obj)[i].cloneNode(true));}settime=0;var t=setInterval(rolltxt,50);function rolltxt(){if(obj.scrollTop % (obj.clientHeight-5) ==0){settime+=1;if(settime==50){obj.scrollTop+=1;settime=0;}}else{obj.scrollTop+=1;if(obj.scrollTop==(obj.scrollHeight-obj.clientHeight)){obj.scrollTop=0;}}}obj.onmouseover=function(){clearInterval(t)}obj.onmouseout=function(){t=setInterval(rolltxt,50)}</script></body></html></td> </tr></table>
提示：您可以先修改部分代碼再運行
