JS控制對象移動效果

2019-11-21 01:37:10

字體：大中小

來源：轉載

供稿：網友

<!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> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>活動的展示窗</title> <style type="text/css"> #box{width:500px;height:120px;border:#00FF00 10px ridge;overflow:hidden} .bigbox{overflow:hidden;} .smallbox{width:auto!important width:140px;min-width:140px;height:100px;border:#FFFF00 8px ridge;float:left;display:inline;overflow:visible;} </style> <script language="javascript" type="text/javascript"> var box,scrollIndex=0,sbArr=new Array(); function $(id){return document.getElementById(id)} window.onload=function(){     box=$("box");     var bb=box.firstChild;     var tmp=bb.getElementsByTagName("div");     var allWidth=0;     for (var n=0;n<tmp.length;n++){         if(tmp[n].className=="smallbox"){             sbArr.push(tmp[n]);             sbArr[sbArr.length-1].scrollFlag=allWidth;             allWidth=allWidth+sbArr[sbArr.length-1].offsetWidth;         }     }     resize(bb); } function resize(o){     var width=0,height=0;     for (var n=0;n<sbArr.length;n++){         width=width+sbArr[n].offsetWidth;         if (sbArr[n].offsetHeight>height) height=sbArr[n].offsetHeight;     }     o.style.width=width+"px";     o.style.height=height+"px"; } function goPrevious(){     if (--scrollIndex<0) scrollIndex=0;     moveBox(sbArr[scrollIndex].scrollFlag); } function goNext(){     if (sbArr[scrollIndex+1].scrollFlag>=box.scrollWidth-box.clientWidth){         moveBox(box.scrollWidth-box.clientWidth);         if (box.scrollLeft!=box.scrollWidth-box.clientWidth) ++scrollIndex;     }else{         if (++scrollIndex>sbArr.length-1) scrollIndex=sbArr.length-1;         moveBox(sbArr[scrollIndex].scrollFlag);     } } function moveBox(scrollFlag){     clearTimeout(box.getAttribute("ta"));     if (Math.abs(scrollFlag-box.scrollLeft)<1){         box.scrollLeft=scrollFlag;     }else{         var ta=parseInt((scrollFlag-box.scrollLeft)/8+1);         if (Math.abs(ta)<0.5) ta=ta>0?0.5:-0.5;         box.scrollLeft=box.scrollLeft+ta;         box.setAttribute("ta",setTimeout(function(){moveBox(scrollFlag)},10));     } } </script> </head> <body> <div   class="iwvjtn8m0"   id="box"><div   id="iwvjtn8m0"   class="bigbox"> <div   id="iwvjtn8m0"   class="smallbox">content1</div> <div   id="iwvjtn8m0"   class="smallbox">content2</div> <div   id="iwvjtn8m0"   class="smallbox">content3</div> <div   id="iwvjtn8m0"   class="smallbox">content4</div> <div   id="iwvjtn8m0"   class="smallbox">content5</div> <div   id="iwvjtn8m0"   class="smallbox">content6</div> <div   id="iwvjtn8m0"   class="smallbox">content7</div> <div   id="iwvjtn8m0"   class="smallbox">content8</div> <div   id="iwvjtn8m0"   class="smallbox">content9</div> </div></div> <a onclick="goPrevious()" href="javascript:">左移</a> <a onclick="goNext()" href="javascript:">右移</a> </body> </html>

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