网页计算器 && 简易网页时钟 && 倒计时时钟

时间：2015-05-03 23:35:06 阅读：299 评论：0 收藏：0 [点我收藏+]

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<!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=utf-8" />
<style>
body,div,p,ul,li,input{margin:0;padding:0;}
ul{list-style-type:none;}
a{color:#fff;outline:none;text-decoration:none;}
body{font:700 24px/1.5 Arial;}
#calc{position:relative;width:300px;background:#000;margin:10px auto;}
#calc p{color:#fff;text-align:right;font:12px/20px Arial;padding:0 5px;}
#calc .f-text{border:0;width:290px;height:84px;text-align:right;font:700 50px/84px Arial;background:url(img/inputBg.jpg) repeat-x;padding:0 5px;}
#calc ul{position:relative;overflow:hidden;zoom:1;background:url(img/bg.jpg);padding:0 0 17px 8px;}
#calc ul li{float:left;width:63px;height:41px;margin:17px 10px 0 0;}
#calc ul li a{display:block;width:63px;height:41px;line-height:41px;text-align:center;background:url(img/btn.png) no-repeat;}
#calc ul li a:hover{background-position:-63px 0;}
#calc ul li.btn-1 a{background-position:0 -41px;}
#calc ul li.btn-1 a:hover{background-position:-63px -41px;}
#calc ul li.btn-2{position:absolute;top:174px;right:0;height:99px;}
#calc ul li.btn-2 a{height:99px;line-height:99px;background-position:0 -164px;}
#calc ul li.btn-2 a:hover{background-position:-63px -164px;}
#calc ul li.btn-3{width:136px;}
#calc ul li.btn-3 a{width:136px;background-position:0 -82px;}
#calc ul li.btn-3 a:hover{background-position:0 -123px;}
#formula{position:absolute;top:20px;background:none;border:0;font:700 12px/1.5 Arial;width:280px;padding:3px 15px 0 5px;text-align:right;}
</style>
<script>
window.onload = function ()
{
    var oCalc = document.getElementById("calc");
    var aA = oCalc.getElementsByTagName("a");
    var aInput = oCalc.getElementsByTagName("input")[0];
    var oFormula = document.getElementById("formula");
    var s = false;
    var i = 0;
    
    for (i = 0; i < aA.length; i++){
        aA[i].onfocus = function ()
        {
            this.blur()    
        };
        aA[i].onclick = function ()
        {
            switch(this.innerHTML)
            {
                case "c":
                    aInput.value =  0;
                    oFormula.value = "";
                    break;
                case "%":
                    count("%")
                    break;
                case "÷":
                    count("/")
                    break;
                case "×":
                    count("*")
                    break;
                case "-":
                    count("-")
                    break;
                case "+":
                    count("+")
                    break;
                case "=":
                    s || (oFormula.value += aInput.value);
                    aInput.value = eval(oFormula.value.replace(/\%\/\*\-\+/,‘‘));
                    aInput.value = aInput.value.substr(0,10).replace("NaN",0);
                    s = true;
                    break;
                case ".":
                    if(aInput.value.search(/[\.\%\/\*\-\+]/) != -1)
                    break;
                default:
                    s && (aInput.value = 0, oFormula.value = "", s = false);
                    aInput.value.length < 10 && (aInput.value = (aInput.value + this.innerHTML).replace(/^[0\%\/\*\-\+](\d)/,"$1"));
            }
        }    
    }
    
    function count(a)
    {

        if(s)
        {
            oFormula.value = aInput.value + a;
            aInput.value = a;    
            s = false;
        }
        else
        {
            /[\%\/\*\-\+]$/.test(aInput.value) || (oFormula.value += aInput.value);
            aInput.value = a;
            /[\%\/\*\-\+]$/.test(oFormula.value) || (oFormula.value += aInput.value);
            oFormula.value = oFormula.value.slice(-1) != a ? oFormula.value.replace(/.$/,a) : oFormula.value
        }
    }
}
</script>
<title>网页计算器</title>
</head>
<body>
<div id="calc">
    <p>By - Ferris QQ:21314130</p>
    <input class="f-text" type="text" readonly="readonly" maxlength="9" value="0" />
    <ul>
        <li class="btn-1"><a href="javascript:void(0)">c</a></li>
        <li class="btn-1"><a href="javascript:void(0)">%</a></li>
        <li class="btn-1"><a href="javascript:void(0)">÷</a></li>
        <li class="btn-1"><a href="javascript:void(0)">×</a></li>
        <li><a href="javascript:void(0)">7</a></li>
        <li><a href="javascript:void(0)">8</a></li>
        <li><a href="javascript:void(0)">9</a></li>
        <li class="btn-1"><a href="javascript:void(0)">-</a></li>
        <li><a href="javascript:void(0)">4</a></li>
        <li><a href="javascript:void(0)">5</a></li>
        <li><a href="javascript:void(0)">6</a></li>
        <li class="btn-1"><a href="javascript:void(0)">+</a></li>
        <li><a href="javascript:void(0)">1</a></li>
        <li><a href="javascript:void(0)">2</a></li>
        <li><a href="javascript:void(0)">3</a></li>
        <li class="btn-2"><a href="javascript:void(0)">=</a></li>
        <li class="btn-3"><a href="javascript:void(0)">0</a></li>
        <li><a href="javascript:void(0)">.</a></li>
    </ul>
    <input id="formula" type="text" readonly="readonly" value="" />
</div>
</body>
</html>

简易网页时钟

<!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=utf-8" />
<title>简易网页时钟</title>
<style>
body,div{margin:0;padding:0;}
body{color:#fff;font:16px/1.5 \5fae\8f6f\96c5\9ed1;}
#clock{width:300px;text-align:center;background:#1a1a1a;margin:10px auto;padding:20px 0;}
span{color:#000;width:80px;line-height:2;background:#fbfbfb;border:2px solid #b4b4b4;margin:0 10px;padding:0 10px;}
</style>
<script>
window.onload = function ()
{
    var oClock = document.getElementById("clock");    
    var aSpan = oClock.getElementsByTagName("span");
        
    setInterval(getTimes, 1000);
    getTimes();
    function getTimes ()
    {
        var oDate = new Date();
        var aDate = [oDate.getHours(), oDate.getMinutes(), oDate.getSeconds()];
        for (var i in aDate) aSpan[i].innerHTML = format(aDate[i])
    }
    function format(a)
    {
        return a.toString().replace(/^(\d)$/, "0$1")    
    }
}
</script>
</head>
<body>
<div id="clock">
    <span></span>点<span></span>分<span></span>秒
</div>
</body>
</html>

倒计时时钟

<!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=utf-8" />
<title>倒计时时钟</title>
<style>
body,div{margin:0;padding:0;}
body{color:#fff;font:16px/1.5 \5fae\8f6f\96c5\9ed1;}
#countdown{width:300px;text-align:center;background:#1a1a1a;margin:10px auto;padding:20px 0;}
input{border:0;width:283px;height:50px;cursor:pointer;margin-top:20px;background:url(img/btn-1.png) no-repeat;}
input.cancel{background-position:0 -50px;}
span{color:#000;width:80px;line-height:2;background:#fbfbfb;border:2px solid #b4b4b4;margin:0 10px;padding:0 10px;}
</style>
<script>
window.onload = function ()
{
    var oCountDown = document.getElementById("countdown");    
    var aInput = oCountDown.getElementsByTagName("input")[0];
    var timer = null;
    
    aInput.onclick = function ()
    {
        this.className == "" ? (timer = setInterval(updateTime, 1000), updateTime()) : (clearInterval(timer));
        this.className = this.className == ‘‘ ? "cancel" : ‘‘;    
    };
    
    function format(a)
    {
        return a.toString().replace(/^(\d)$/,‘0$1‘)
    }
    
    function updateTime ()
    {
        var aSpan = oCountDown.getElementsByTagName("span");
        var oRemain = aSpan[0].innerHTML.replace(/^0/,‘‘) * 60 + parseInt(aSpan[1].innerHTML.replace(/^0/,‘‘));
        if(oRemain <= 0)
        {
            clearInterval(timer);
            return
        }
        oRemain--;
        aSpan[0].innerHTML = format(parseInt(oRemain / 60));
        oRemain %= 60;
        aSpan[1].innerHTML = format(parseInt(oRemain));
    }
}
</script>
</head>
<body>
<div id="countdown">
    <span>01</span>分钟<span>40</span>秒
    <input type="button" value="" />
</div>
</body>
</html>

网页计算器 && 简易网页时钟 && 倒计时时钟

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原文地址：http://www.cnblogs.com/mayufo/p/4474995.html

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