摘要: function test(){ let a = 1 for (let i =0;i<3;i++){ console.log(i) //1,2 } console.log(i) //error console.log(a) const app = 1 const data = { //对象是引用类型 阅读全文
posted @ 2018-10-24 10:22 红尘陌上,独自行走 阅读(129) 评论(0) 推荐(0) 编辑