<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>IFE JavaScript Task 01</title> </head> <body> <h3>污染城市列表</h3> <ul id="aqi-list"> <!-- <li>第一名:福州(样例),10</li> <li>第二名:福州(样例),10</li> --> </ul> <script type="text/javascript"> var apiDate = [ ["北京", 90], ["上海", 50], ["福州", 10], ["广州", 50], ["成都", 90], ["西安", 100] ]; var j=0,i; while(j<5) { i=j+1; while(i<6) { if(apiDate[j][1]<apiDate[i][1]) {var temp=apiDate[j];apiDate[j]=apiDate[i];apiDate[i]=temp;}i++; };j++; }; var i=0; while(i<6) { if(apiDate[i][1]>60) {i++; var para=document.createElement("li");para.innerHTML="第"+i+"名"+apiDate[i-1];i--; var father=document.getElementById("aqi-list"); father.appendChild(para); } i++; /*在注释下方编写代码 遍历读取aqiData中各个城市的数据 将空气质量指数大于60的城市显示到aqi-list的列表中*/ }; </script> </body> </html>