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Implementation code for jquery single line text upward scrolling effect_javascript skills

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Release: 2016-05-16 16:37:09
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 <body> 
<div id="title" style="width:100%;height:40px;">看看间断滚动文字</div> 

<div id="content" class="infocontent"> 
<div id="top" class="infolist"> 
<ul> 
<li>央视315曝光: 华润深陷“海砂门”回应澄而未清</li> 
<li>吉野家被曝餐具不消毒 波司登等羊绒衫不含羊绒</li> 
<li>无锡警方公布“待产女警突发不幸”事发经过</li> 
<li>中国人一天:最后的轮渡 视界:在家“搞定”</li> 
</ul> 
</div> 
<div id="bottom" class="infolist"></div> 
</div> 
<div id="foot"></div> 
</body>
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.infolist{width:400px;matgin:0;} 
.infolist ul{margin:0;padding:0;} 
.infolist ul li{list-style:none;height:26px;line-height:26px;} 
.infocontent{width:400px;height:26px;overflow:hidden;border:1px solid #666666;}
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var interval=1000;//两次滚动之间的时间间隔 
var stepsize=26;//滚动一次的长度,必须是行高的倍数,这样滚动的时候才不会断行 
var objInterval=null; 

$(document).ready( function(){ 
//用上部的内容填充下部 
$("#bottom").html($("#top").html()); 

//给显示的区域绑定鼠标事件 
$("#content").bind("mouseover",function(){StopScroll();}); 
$("#content").bind("mouseout",function(){StartScroll();}); 

//启动定时器 
StartScroll(); 
}); 

//启动定时器,开始滚动 
function StartScroll(){ 
objInterval=setInterval("verticalloop()",interval); 
} 

//清除定时器,停止滚动 
function StopScroll(){ 
window.clearInterval(objInterval); 
} 

//控制滚动 
function verticalloop(){ 
//判断是否上部内容全部移出显示区域 
//如果是,从新开始;否则,继续向上移动 
if($("#content").scrollTop()>=$("#top").outerHeight()){ 
$("#content").scrollTop($("#content").scrollTop()-$("#top").outerHeight()); 
} 
//使用jquery创建滚动时的动画效果 
$("#content").animate( 
{"scrollTop" : $("#content").scrollTop()+stepsize +"px"},600,function(){ 
//这里用于显示滚动区域的scrollTop,实际应用中请删除 
// $("#foot").html("scrollTop:"+$("#content").scrollTop()); 
}); 
}
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