日期:2014-05-16 浏览次数:20389 次
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<title>无标题文档</title>
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if(oInput[i].value=="")
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document.getElementById().innerHTML="不能为空"
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document.getElementById().innerHTML="填写正确"
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<body>
<form id="zhuce" action="#" method="post">
<input type="text" /><span></span><br />
<input type="text" /><span></span><br />
<input type="text" /><span></span><br />
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<input type="text" /><span></span><br />
<input type="text" /><span></span><br />
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</body>
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<script type="text/javascript">
window.onload = function () {
var oForm = document.getElementById("zhuce");
var oInput = oForm.getElementsByTagName("input");
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for (var i = 0; i < oInput.length; i++) {<