無縫滾動改進版支援上下左右滾動（封裝成函數）_javascript技巧

/**********
    功能：實現水平或垂直無縫滾動
    參數：direction方向，總共4個值：left,right,top,bottom
       多少時間後開始移動，若不寫則頁面載入完開始移動
**********/
函數滾動(方向,速度,iTime){
    var oDiv = document.getElementById('scroll');
  Div. getElementsByTagName('ul')[0];
    var aLi = oDiv.getElementsByTagName('li');
    var aBtn = oDiv.getElementsByTagName('a'); >    var iSpeed = 0;
    var flag = true;    //判斷水平移動或垂直移動

    oUl.innerHTML = oUl.innerHTML;
    oUl.innerHTML = oUl.innerHTML;
    oUl.innerHTML = oUl.innerHTML;
>>> case 'left':
            iSpeed = -speed;
            oUl.style.width = aLi[0].set.W     oUl.style.width = aLi[0].set.W     oUl.style.width = aLi[0].set.W        flag = true;
           break;
        case 'right':
            iSpeed =速度；
                   flag = true;
           break;
        case 'top':
            iSpeed = -速度；
       🎜>        case 'bottom':
            iSpeed = speed;
       iSpeed = speed;
       iSpeed = speed;
      >           break;
    };

setTimeout(move,iTime);
       clearInterval(timer);
        iSpeed = -speed;
            aBtn[1].onclick = function (){
        clearInterval(timer);
iSpeed = 速度;
        move();         clearInterval(timer );
    };

    oUl .onmouseout = function(){
        move( 🎜>        計時器= setInterval(function(){
                      if(oUl.offsetLeft
-oUl.offsetWidth / 2){
                    oUl.style.left = '0';
                       oUl.style .left = - oUl.offsetWidth / 2 'px';
         
            }else{
                oUl.style.top = oUl.offsetTop iSpeed 'px';
    {
                    oUl.style.top = '0';
                }else if(oUl.offsetTop >= 0){
       
                };
            };
         );
    };
};