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lesson1.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>IFE JavaScript Task 01</title>
</head>
<body>
<label>请输入北京今天空气质量：<input id="aqi-input" type="text"></label>
<button id="button">确认填写</button>
<div>您输入的值是：<span id="aqi-display">尚无录入</span></div>
<div id="box">
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</div>
<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
(function() {
/*
在注释下方写下代码
给按钮button绑定一个点击事件
在事件处理函数中
获取aqi-input输入的值，并显示在aqi-display中
*/
var $ = document.getElementById;
document.getElementById('button').onclick = function () {
var text = document.getElementById('aqi-input').value;
document.getElementById('aqi-display').innerHTML = text;
}
})();
$(function () {
$("body").click(function() {
console.log('aaa')
});
})
</script>
</body>
</html>