#marquee_zxd {
    border: 1px solid red;
    white-space: nowrap;
    overflow: hidden;
    width: 500px;
    padding-top: 5px;

  }

  #marquee_zxd img {
    height: 100px;
  }

<!--　橫向一定要是span -->
    <div id="marquee_zxd"><span>
      <!-- 內(nèi)嵌一個div很重要，里面的元素必須是一個整體的移動。另外橫移時，必須是行級元素只占自己的空間。 -->
      <div id="marquee_inner" style="position:relative; display: inline-block;">
      <img src="img/duck.png"/>
      <img src="img/donkey.png"/>
      <img src="img/eggbird.png"/>
      <img src="img/elephant.png"/>
      <img src="img/butterfly.png"/>
    </div>
    </span></div>

<script type="text/javascript" src="${cpath}/js/marquee_zxd.js"></script>

/**除了Chrome以外的瀏覽器可以通過scrollLeft屬性控制滾動*/
function scrolleft(obj){
  var $obj = $(obj); 
  //到右邊頂端后不會再變
  //var temp = obj.scrollLeft;
  //obj.scrollLeft++;
  var temp = $obj.scrollLeft();
  //console.log(temp);
  $obj.scrollLeft(temp+1);
  //當(dāng)滾動條到達(dá)右邊頂端時;或本身長度不夠不好滾動(漫出才好滾)
  //if(obj.scrollLeft == temp){
  if($obj.scrollLeft() == temp){
    obj.innerHTML += obj.innerHTML;
    console.log('copy');
  }
  //當(dāng)滾動條滾動了初始內(nèi)容的寬度時，滾動條回到最左端，模擬循環(huán)
  //if (obj.scrollLeft >= obj.firstChild.offsetWidth)
  //  obj.scrollLeft = 0;
  if ($obj.scrollLeft() >= obj.firstChild.offsetWidth)
    $obj.scrollLeft(0);
}

/**除了Chrome以外的瀏覽器可以通過scrolleft()滾動*/
function initMarquee(){
  var aaa = document.getElementById('marquee_zxd');
  var MyMar = setInterval(function(){
    scrolleft(aaa);
  }, 20);

  //鼠標(biāo)移上時清除定時器達(dá)到滾動停止的目的
  aaa.onmouseover=function() {clearInterval(MyMar);};
  //鼠標(biāo)移開時重設(shè)定時器
  aaa.onmouseout=function() {MyMar = setInterval(function(){
    scrolleft(aaa);
  }, 20);};
}  


/**Chrome定時器循環(huán)函數(shù)，通過relative布局的left屬性控制滾動*/
function scrolleftChrome($marquee_inner, inner_width){
  var width = parseInt(inner_width);
  var leftPx = $marquee_inner.css("left");
  //兼容IE
  if(leftPx == 'auto')
    leftPx = 0;
  //位置左移
  var left = parseInt(leftPx);    
  left = left - 1;
  //到頂歸位
  if(left <= -width)
    left = 0;
  $marquee_inner.css("left", left);
  //console.log(width + ", " + left);
}

/**Chrome瀏覽器可以通過scrolleftChrome滾動*/
function initMarqueeChrome() {
  //局部變量不污染全局變量空間
  var $marquee_inner = $('#marquee_inner');
  //原內(nèi)容大小
  var inner_width = $marquee_inner.css('width');
  //復(fù)制一份原內(nèi)容
  var innerHtml = $marquee_inner.html();
  $marquee_inner.html(innerHtml + innerHtml);

  console.log(inner_width);
  //參數(shù)采用字符串形式的缺陷：參數(shù)不能被周期性改變,參數(shù)必須是全局變量
  //var MyMar = setInterval("scrolleftChrome($marquee_inner, inner_width)", 5000);
  var MyMar = setInterval(function(){
    //參數(shù)不污染全局變量空間
    scrolleftChrome($marquee_inner, inner_width);
  }, 50);

  var marquee_zxd = document.getElementById('marquee_zxd');
  //鼠標(biāo)移上時清除定時器達(dá)到滾動停止的目的
  marquee_zxd.onmouseover=function() {clearInterval(MyMar);};
  //鼠標(biāo)移開時重設(shè)定時器
  marquee_zxd.onmouseout=function() {
    //參數(shù)采用字符串形式的缺陷：參數(shù)不能被周期性改變,參數(shù)必須是全局變量
    //MyMar = setInterval("scrolleftChrome($marquee_inner, inner_width)", 50);
    MyMar = setInterval(function(){
      //參數(shù)不污染全局變量空間
      scrolleftChrome($marquee_inner, inner_width);
    }, 50);
  };
}

$(function(){
  var ua = window.navigator.userAgent; 
  var isIE = window.ActiveXObject != undefined && ua.indexOf("MSIE") != -1; 
  var isFirefox = ua.indexOf("Firefox") != -1; 
  var isChrome = ua.indexOf("Chrome") && window.chrome; 

  if(isChrome){
    initMarqueeChrome();
    console.log("isChrome: initMarqueeChrome");
  }else{
    initMarquee();
    console.log("isChrome: initMarquee");
  }
});