ホームページ >ウェブフロントエンド >jsチュートリアル >一時停止を伴う行ごとのテキスト循環スクロール効果の JS 実践例
次のようになります:
<!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>