guests是一个JavaScript对象,用于存储和管理客人的信息。它可以帮助我们快速地查找、添加、删除和更新客人的信息,以便更好地管理客人。
1. 创建guests对象:
javascript let guests = {};
2. 添加客人信息:
javascript guests["John"] = {name: "John", age: 25, gender: "male"}; guests["Mary"] = {name: "Mary", age: 22, gender: "female"};
3. 获取客人信息:
javascript let johnInfo = guests["John"]; console.log(johnInfo); // {name: "John", age: 25, gender: "male"}
4. 删除客人信息:
javascript delete guests["John"];
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