javascript if 与 if else 的一点小认识 

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Document</title>
 6 </head>
 7 <body>
 8    <script>
 9    var a = 20;
10    if (a>10) {
11     console.log("a>10")
12    }
13    if (a>11) {
14     console.log("a>11")
15    }
16    </script> 
17 </body>
18 </html>
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Document</title>
 6 </head>
 7 <body>
 8    <script>
 9    var a = 20;
10    if (a>10) {
11     console.log("a>10")
12    }else if (a>11) {
13     console.log("a>11")
14    }
15    </script> 
16 </body>
17 </html>

 

posted @ 2015-10-11 21:04  挥刀  阅读(183)  评论(0)  编辑  收藏  举报