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    javascript兩種漸變效果進度條的實現

    <html>
    <head>
    <title>漸變效果進度條</title>
    <script language="javascript">
     
    var i;
     
    function go()
     
    {
      bar_width 
    = document.getElementById("bg").clientWidth;
      i 
    = bar_width;
      setTimeout('start();',
    300);
     }

     
    function start()
     
    {
      
    if(i-->0)
      
    {
       ps.style.width 
    = i;
       bn.innerHTML 
    = Math.floor((bar_width-i)/bar_width*100)+"%";
       setTimeout('start();',
    20);
      }

     }

     
    </script>
    <style type="text/css">
    #bg 
    {
    filter:progid:DXImageTransform.Microsoft.Gradient
    (GradientType
    =1, StartColorStr=#FFFF00, EndColorStr=#FF0000);
    width:300px;
    height:20px;
    border:1px solid black;
    z
    -index:0;
    position:absolute;
    }

    #ps 
    {
    float:right;
    background
    -color:#FFFF00;
    width:
    100%;
    }

    #bn 
    {
    position:absolute;
    text
    -align:center;
    width:
    100%;
    height:
    100%;
    cursor:
    default;
    }

    </style>
    </head>
    <body onload="go();">
    <div id="bg"><div id="ps"></div><span id="bn">0%</span></div>
    </body>
    </html>


    <html>
    <head>
    <title>漸變效果進度條</title>
    <script language="javascript">
    var _Hex = Array("00","01","02","03","04","05","06","07","08","09",
    "0A","0B","0C","0D","0E","0F","10","11","12","13","14","15","16","17","18","19",
    "1A","1B","1C","1D","1E","1F","20","21","22","23","24","25","26","27","28","29",
    "2A","2B","2C","2D","2E","2F","30","31","32","33","34","35","36","37","38","39",
    "3A","3B","3C","3D","3E","3F","40","41","42","43","44","45","46","47","48","49",
    "4A","4B","4C","4D","4E","4F","50","51","52","53","54","55","56","57","58","59",
    "5A","5B","5C","5D","5E","5F","60","61","62","63","64","65","66","67","68","69",
    "6A","6B","6C","6D","6E","6F","70","71","72","73","74","75","76","77","78","79",
    "7A","7B","7C","7D","7E","7F","80","81","82","83","84","85","86","87","88","89",
    "8A","8B","8C","8D","8E","8F","90","91","92","93","94","95","96","97","98","99",
    "9A","9B","9C","9D","9E","9F","A0","A1","A2","A3","A4","A5","A6","A7","A8","A9",
    "AA","AB","AC","AD","AE","AF","B0","B1","B2","B3","B4","B5","B6","B7","B8","B9",
    "BA","BB","BC","BD","BE","BF","C0","C1","C2","C3","C4","C5","C6","C7","C8","C9",
    "CA","CB","CC","CD","CE","CF","D0","D1","D2","D3","D4","D5","D6","D7","D8","D9",
    "DA","DB","DC","DD","DE","DF","E0","E1","E2","E3","E4","E5","E6","E7","E8","E9",
    "EA","EB","EC","ED","EE","EF","F0","F1","F2","F3","F4","F5","F6","F7","F8","F9",
    "FA","FB","FC","FD","FE","FF");
     
    function go()
     
    {
      setTimeout('start();',
    100);
     }

     
    var i=0;
     
    function start()
     
    {
      
    if(i++<256)
      
    {
       ps.innerHTML 
    += "<span style='width:1px;background-color:#FF"+_Hex[256-i]+"00;'>";
       bn.innerHTML 
    = Math.floor(i/2.56)+"%";
       setTimeout('start();',
    10);
      }

     }

     
    </script>
    <style type="text/css">
    #ps 
    {
    background
    -color:#FFFF00;
    width:256px;
    margin: 1px;
    float:left;
    }

    #bn 
    {
    width:39px;
    margin: 1px;
    float:right;
    text
    -align:center;
    color:#FFFFFF;
    font
    -family:Arial;
    font
    -size:13px;
    }

    </style>
    </head>
    <body onload="go();">

    <div style="background-color:black;width:300px;height:20px;"><div id="ps"></div><div id="bn"></div></div>
    </body>
    </html>

    posted on 2007-09-10 22:58 dreamstone 閱讀(4700) 評論(2)  編輯  收藏 所屬分類: 片段腳本語言javascript

    評論

    # re: javascript兩種漸變效果進度條的實現 2007-09-11 10:05 編程、設計是職業更是愛好

    需要改一下才能支持FF  回復  更多評論   

    # re: javascript兩種漸變效果進度條的實現 2010-10-09 15:42 星輝樂園

    <!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>進度條</title>
    <style type="text/css">
    body{
    text-align:center;
    }
    .graph{
    width:450px;
    border:1px solid #F8B3D0;
    height:25px;
    }
    #bar{
    display:block;
    background:#FFE7F4;
    float:left;
    height:100%;
    text-align:center;
    }
    #barNum{
    position:absolute;
    }
    </style>
    <script type="text/javascript">
    function $(obj){
    return document.getElementById(obj);
    }
    function go(){
    $("bar").style.width = parseInt($("bar").style.width) + 1 + "%";
    $("bar").innerHTML = $("bar").style.width;
    if($("bar").style.width == "100%"){
    window.clearInterval(bar);
    }

    }
    var bar = window.setInterval("go()",50);
    window.onload = function(){
    bar;
    }
    </script>
    </head>
    <body>
    <div class="graph">
    <strong id="bar" style="width:1%;"></strong>
    </div>
    </body>
    </html>   回復  更多評論   

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