纯js三组文字定时向上滚动特效代码

2016-08-14 网页编程网 网页编程网

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="zh-CN">
<title>三组文字定时向上滚动特效</title>
<style type="text/css">
 *{font-size:12px;}
 #scrollBox2{width:150px; height:64px; line-height:22px; overflow:hidden; background-color:#eee;}
</style>
</head>
<body>
国家 汇率名称 今日汇率
<div id="scrollBox2">
	美元USD ŀ.775%<br />
	港币HKD ŀ.75%<br />
	英镑GBP ŀ.50%<br />
	欧元EUR ŀ.25%<br />
	日元JPY ŀ.01%<br />
</div>
<script>
window.onload=function(){
  new Marquee(
    "scrollBox2",  //容器ID<br />
    0,  //向上滚动(0向上 1向下 2向左 3向右)<br />
    2,  //滚动的步长<br />
    200,  //容器可视宽度<br />
    64,  //容器可视高度<br />
    50,  //定时器 数值越小，滚动的速度越快(1000=1秒,建议不小于20)<br />
    2000,  //间歇停顿时间(0为不停顿,1000=1秒)<br />
    1000,  //开始时的等待时间(0为不等待,1000=1秒)<br />
    22  //间歇滚动间距(可选)<br />
    );
  };
function Marquee(){
  this.ID=document.getElementById(arguments[0]);
  this.Direction=arguments[1];
  this.Step=arguments[2];
  this.Width=arguments[3];
  this.Height=arguments[4];
  this.Timer=arguments[5];
  this.WaitTime=arguments[6];
  this.StopTime=arguments[7];
  if(arguments[8]){this.ScrollStep=arguments[8];}else{this.ScrollStep=this.Direction>1?this.Width:this.Height;}
  this.CTL=this.StartID=this.Stop=this.MouseOver=0;
  this.ID.style.overflowX=this.ID.style.overflowY="hidden";
  this.ID.noWrap=true;
  this.ID.style.width=this.Width;
  this.ID.style.height=this.Height;
  this.ClientScroll=this.Direction>1?this.ID.scrollWidth:this.ID.scrollHeight;
  this.ID.innerHTML+=this.ID.innerHTML;
  this.Start(this,this.Timer,this.WaitTime,this.StopTime);
  }
Marquee.prototype.Start=function(msobj,timer,waittime,stoptime){
  msobj.StartID=function(){msobj.Scroll();}
  msobj.Continue=function(){
    if(msobj.MouseOver==1){setTimeout(msobj.Continue,waittime);}
    else{clearInterval(msobj.TimerID); msobj.CTL=msobj.Stop=0; msobj.TimerID=setInterval(msobj.StartID,timer);}
    }
  msobj.Pause=function(){msobj.Stop=1; clearInterval(msobj.TimerID); setTimeout(msobj.Continue,waittime);}
  msobj.Begin=function(){
    msobj.TimerID=setInterval(msobj.StartID,timer);
    msobj.ID.onmouseover=function(){msobj.MouseOver=1; clearInterval(msobj.TimerID);}
    msobj.ID.onmouseout=function(){msobj.MouseOver=0; if(msobj.Stop==0){clearInterval(msobj.TimerID); msobj.TimerID=setInterval(msobj.StartID,timer);}}
    }
  setTimeout(msobj.Begin,stoptime);
  }
Marquee.prototype.Scroll=function(){
  switch(this.Direction){
    case 0:
      this.CTL+=this.Step;
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollTop+=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}
      else{if(this.ID.scrollTop>=this.ClientScroll) this.ID.scrollTop-=this.ClientScroll; this.ID.scrollTop+=this.Step;}
      break;
    case 1:
      this.CTL+=this.Step;
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollTop-=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}
      else{if(this.ID.scrollTop<=0) this.ID.scrollTop+=this.ClientScroll; this.ID.scrollTop-=this.Step;}
      break;
    case 2:
      this.CTL+=this.Step;
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollLeft+=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}
      else{if(this.ID.scrollLeft>=this.ClientScroll) this.ID.scrollLeft-=this.ClientScroll; this.ID.scrollLeft+=this.Step;}
      break;
    case 3:
      this.CTL+=this.Step;
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollLeft-=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}
      else{if(this.ID.scrollLeft<=0) this.ID.scrollLeft+=this.ClientScroll; this.ID.scrollLeft-=this.Step;}
      break;
    }
  }
</script>
<p>　</p>
<p>　</p>
<p>　</p>
</body>
</html>

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