摘要: let x = 0 Object.defineProperty(window,'a',{ get(){ return ++x } }) if(a == 1 && a == 2 && a == 3)console.log('zjy') 阅读全文
posted @ 2020-05-27 21:49 671_MrSix 阅读(293) 评论(0) 推荐(0) 编辑