js实现文字横向滚动

页面布局

     <div id="scroll_div" class="fl"> 
        <div id="scroll_begin">
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
            恭喜793765***获得 <span class="pad_right">50元巨人点卡奖励</span>
        </div>
        <div id="scroll_end"></div>
    </div>

样式:
.pad_right{ padding-right:2em;}
#scroll_div {height:26px;overflow: hidden;white-space: nowrap;width:535px;margin-left:10px;}
#scroll_begin,#scroll_end {display: inline;}

js代码:

//文字横向滚动
function ScrollImgLeft(){ 
    var speed=50;
        var MyMar = null;
    var scroll_begin = document.getElementById("scroll_begin"); 
    var scroll_end = document.getElementById("scroll_end"); 
    var scroll_div = document.getElementById("scroll_div"); 
    scroll_end.innerHTML=scroll_begin.innerHTML; 
    function Marquee(){ 
        if(scroll_end.offsetWidth-scroll_div.scrollLeft<=0) 
            scroll_div.scrollLeft-=scroll_begin.offsetWidth; 
        else 
            scroll_div.scrollLeft++; 
        } 
        MyMar=setInterval(Marquee,speed);  
        scroll_div.onmouseover = function(){
       clearInterval(MyMar);
     }
     scroll_div.onmouseout = function(){
       MyMar = setInterval(Marquee,speed);      
     }   }
ScrollImgLeft();

 

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