第十九节 JavaScript分之语句之if条件随星期变换背景 

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Document</title>
 6     <script type="text/javascript">
 7         window.onload = function(){
 8             var iWeek = 3;
 9             var oBody = document.getElementById('body01');
10             if(iWeek == 1){
11                 oBody.style.backgroundColor = 'gold';
12             }
13             else if(iWeek == 2){
14                 oBody.style.backgroundColor = 'green';
15             }
16             else if(iWeek == 3){
17                 oBody.style.backgroundColor = 'pink';
18             }
19             else if(iWeek == 4){
20                 oBody.style.backgroundColor = 'yellowgreen';
21             }
22             else if(iWeek == 5){
23                 oBody.style.backgroundColor = 'lightblue';
24             }
25             else{
26                 oBody.style.backgroundColor = 'lightgreen';
27             }
28         }
29     </script>
30 </head>
31 <body id="body01">
32     
33 </body>
34 </html>

 

posted @ 2020-03-14 17:00  kog_maw  阅读(170)  评论(0)    收藏  举报