标签:turn name 映射 TE com .com class 遍历 col
1、map的用法
定义:原数组被“映射”成对应新数组
代码示例:
var users = [ {name: "张含韵", "email": "zhang@email.com"}, {name: "江一燕", "email": "jiang@email.com"}, {name: "李小璐", "email": "li@email.com"} ]; var emails = users.map(user=> { return user.email; });
2、filter的用法
JS遍历数组的操作(map、forEach、filter等)
标签:turn name 映射 TE com .com class 遍历 col
原文地址:https://www.cnblogs.com/zjingjing/p/9238073.html