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.     <title>Document</title>
    7. </head>
    8. <body>
    9.     <script>
    10.         // for-in遍历对象
    11.         var obj = {
    12.             name:"zhou",
    13.             age:22,
    14.             skill:"js"
    15.         }
    16.         for(var item in obj){
    17.             // 对象的属性名是变量的时候，要通过[]，的方式去读取
    18.             console.log(obj[item])
    19.         }
    20.     </script>
    21. </body>
    22. </html>