箭头函数面试题

 1 <script type="text/javascript">
 2     
 3         var age = 100;
 4 
 5         var obj = {
 6             age: 20,
 7             say: () => {
 8                 alert(this.age)
 9             }
10         }
11 
12         obj.say();
13     </script>

 

posted on 2021-04-27 19:54  前端码牛  阅读(245)  评论(0)    收藏  举报

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