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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
</head>
<body>
<style type="text/css">
#div1 {
width:300px;
height:300px;
border:1px solid red;
}
</style>
<input type="button" id="btn1" value="动态创建一个元素"/>
<div id="div1"></div>
<script type="text/javascript">
window.onload = function () {
document.getElementById('btn1').onclick = function () {
var alink = document.createElement('a');
alink.href = 'http://www.baidu.com';
alink.target = '_blank';
alink.title = '百度一下，你就知道！';
alink.innerText = '百度';
document.getElementById('div1').appendChild(alink);
var txtInput = document.createElement('input');
txtInput.type = 'text';
document.getElementById('div1').appendChild(txtInput);
};
};
</script>
</body>
</html>