南风晚来晚相识

摘要： .maxnbox{ overflow-y: hidden; padding: 0; margin: 0; } .maxnbox{ overflow-y: hidden; padding: 0; margin: 0; } 参考的网址 https://www.jianshu.com/p/53199b84 阅读全文

摘要： <script> //合并数组 let arr1=[11,22,33,55]; let arr2=["aa","bb","cc","dd"]; // es5的合并 let arr=arr1.concat(arr2); console.log(arr) // [11, 22, 33, 55, "aa" 阅读全文

摘要： // 深拷贝 var user1={name:"小明",age:18, deMent:{bumen:"市场部",no:"001"}} var user2=JSON.stringify(user1); var user3=JSON.parse(user2); user3.age=40; user3.deMent.no="999"; console.log(user1); //{name: "小明", 阅读全文