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JS practical example of line-by-line text cycle scrolling effect with pauses

高洛峰Original: 2016-12-05 15:26:261064browse

Looks like this:

<!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>JS实用的带停顿的逐行文本循环滚动效果</title>
  <meta http-equiv="content-type" content="text/html;charset=gb2312">
  <style type="text/css">
  #scrollBox2{font-size:12px;width:260px;color:#646464;line-height:22px;height:66px;overflow:hidden;text-align:left;}
  </style>
  </head>
  <body>
  <div id="scrollBox2" style="text-align:left;">
  欢迎光临 
  实用的逐行文本滚动效果<br>
  滚动一行至另一行时有所停顿<br>
  希望大家喜欢，感觉挺简洁的代码<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>
 //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>
  </body>
  </html>
  <br><br><hr>

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JS practical example of line-by-line text cycle scrolling effect with pauses

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