利用跨域实现天气预报
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 6 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 7 <title>Document</title> 8 </head> 9 <style> 10 table{ 11 border:1px red solid; 12 border-collapse: collapse; 13 margin:10px 2px; 14 } 15 td{ 16 border: 1px black solid; 17 padding: 10px; 18 } 19 20 </style> 21 <body> 22 <input type="text" id="city"> 23 <input type="button" value="天气预报" id="btn"> 24 25 <table id="showTable"> 26 27 </table> 28 29 <script> 30 var cityObj = document.getElementById(