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Implementation code for jquery single line text upward scrolling effect_javascript skills
Implementation code for jquery single line text upward scrolling effect_javascript skills
<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>
.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;}
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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