求出数组中所有数字的和&&弹出层效果

时间：2023-01-02 05:18:38
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<title>求出数组中所有数字的和</title>

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#outer{width:500px;margin:0 auto;}

#outer input{padding:3px;border:1px solid #ccc;font-family:inherit;width:220px;margin-right:10px;}

.sum{font-size:30px;color:red;}

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    oInput.onkeyup = function ()

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        for (var i in oInput)

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            sum += parseInt(oInput[i])

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<div id="outer">

    <label><input type="text" value="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15" /><span>输入数字求和，数字之间用半角","号分隔</span></label>

    <p><button>求和</button></p>

    <strong class="sum"></strong>

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弹出层效果

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<title>弹出层效果</title>

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html,body{height:100%;overflow:hidden;}

body,div,h2{margin:0;padding:0;}

body{font:12px/1.5 Tahoma;}

center{padding-top:10px;}

button{cursor:pointer;}

#overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:0.5;filter:alpha(opacity=50);display:none;}

#win{position:absolute;top:50%;left:50%;width:400px;height:200px;background:#fff;border:4px solid #f90;margin:-102px 0 0 -202px;display:none;}

h2{font-size:12px;text-align:right;background:#FC0;border-bottom:3px solid #f90;padding:5px;}

h2 span{color:#f90;cursor:pointer;background:#fff;border:1px solid #f90;padding:0 2px;}

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<div id="overlay"></div>

<div id="win"><h2><span id="close">×</span></h2></div>

<center><button>弹出层</button></center>

</body>

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