| 123456789101112131415161718 |
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- var a = 4;
- // a>5 a = -a
- // a<5 a = a
- console.log(a>5?-a:a)
- //三目运算符 三元运算符 判断条件? true:false
- </script>
- </body>
- </html>
|
