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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>IFE JavaScript Task 02</title>
</head>
<body>
<h3>污染城市列表</h3>
<ul id="aqi-list">
<li>空气质量大于60的城市如下:</li>
<!-- <li>第一名:福州,10</li>
<li>第二名:福州,9</li>
<li>第三名:福州,8/li>
<li>第四名:福州,7</li>
<li>第五名:福州,6</li>
<li>第六名:福州,5</li>
<li>第七名:福州,4</li>
<li>第八名:福州,3</li>
<li>第九名:福州,2</li>
<li>第十名:福州,1</li> -->
</ul>
<script type="text/javascript">
var aqiData=[
["北京",90],["上海",50],["福州",10],["广州",50],["成都",90],["西安",100]];
(function(){
var arr = ["一","二","三","四","五"];
aqiData.sort(function(a,b){
return b[1]-a[1];
})
for(i=0;i<aqiData.length;i++){
if(aqiData[i][1]>60){
var element = document.createElement("li");
var textNode = document.createTextNode("第"+arr[i]+"名:"+aqiData[i][0]);
element.appendChild(textNode);
document.getElementById("aqi-list").appendChild(element);
}
}
})();
</script>
</body>