JavaScript中对象数组 作业题目以及作业

var BaiduUsers = [],
WechatUsers = [];
var User = function(id, name, phone, gender, age, salary) {
    this.id = id;
    this.name = name;
    this.phone = phone;
    this.gender = gender;
    this.age = age;
    this.salary = salary;
};
User.create = function(id, name, phone, gender, age, salary) {
    return new User(id, name, phone, gender, age, salary);
};
BaiduUsers.push(User.create(1, 'tommy', '1111', 'male', 18, 10000));
BaiduUsers.push(User.create(2, 'jerry', '2222', 'male', 28, 10000));
BaiduUsers.push(User.create(3, 'raobin', '3333', 'female', 14, 1200));
BaiduUsers.push(User.create(4, 'binbin', '4444', 'male', 23, 9800));
BaiduUsers.push(User.create(5, 'yuyu', '5555', 'female', 22, 10000));
WechatUsers.push(User.create(1, 'yuyu', '1111', 'male', 20, 40000));
WechatUsers.push(User.create(2, 'allen', '6666', 'male', 34, 15800));
WechatUsers.push(User.create(3, 'raobin', '3333', 'female', 16, 2300));
WechatUsers.push(User.create(4, 'harvey', '7777', 'male', 30, 29800));
WechatUsers.push(User.create(5, 'yuyu', '8888', 'female', 27, 7000));

//Step1:将被收购公司的人员，手机号存在于原公司的，进行合并工资并且删除
for (var i = 0; i < BaiduUsers.length; i++) {
    for (var y = 0; y < WechatUsers.length; y++) {
        if (BaiduUsers[i].phone == WechatUsers[y].phone) {
            WechatUsers[y].oldsalary = WechatUsers[y].salary;
            WechatUsers[y].salary = WechatUsers[y].salary + BaiduUsers[i].salary;
            BaiduUsers.splice(i, 1)
        }
    }
}
//Step2:将被收购公司剩余人员工资乘以1.2,并且改变ID
var len = WechatUsers.length;
for (var i = 0; i < BaiduUsers.length; i++) {
    BaiduUsers[i].oldsalary = BaiduUsers[i].salary;
    BaiduUsers[i].salary = BaiduUsers[i].salary * 1.2;
    BaiduUsers[i].id = WechatUsers.length + 1 + i;
}
//Step3:定义一个新对象数组，连接上述两个数组
var Aftereat = WechatUsers.concat(BaiduUsers)

//Step4:计算收购之后的最高工资，最低工资，平均工资，male的平均工资，female的平均工资等
//全公司的平均工资
var avgall = Aftereat.map(function(value) {
    return value.salary;
}).reduce(function(previous, current, index, array) {
    return previous + current;
}) / Aftereat.length;
//男员工的平均工资
Aftereat.filter(function(value) {
    return value.gender == 'male'
}).map(function(value) {
    return value.salary;
}).reduce(function(previous, current, index, array) {
    return previous + current;
}) / Aftereat.filter(function(value) {
    return value.gender == 'male'
}).length;
//女员工的平均工资
Aftereat.filter(function(value) {
    return value.gender == 'female'
}).map(function(value) {
    return value.salary;
}).reduce(function(previous, current, index, array) {
    return previous + current;
}) / Aftereat.filter(function(value) {
    return value.gender == 'female'
}).length;
//收购之后最高工资
Math.max.apply(null, Aftereat.map(function(value) {
    return value.salary;
}))
//收购之后最低工资
Math.min.apply(null, Aftereat.map(function(value) {
    return value.salary;
}))

//原始方法如下
var arrsalary = []
for (var i = 0; i < Aftereat.length; i++) {
    arrsalary.push(Aftereat[i].salary)
}

var malesalary = []
var femalesalary = []
for (var i = 0; i < Aftereat.length; i++) {
    if (Aftereat[i].gender == 'male') {
        malesalary.push(Aftereat[i].salary)
    } else if (Aftereat[i].gender == 'female') {
        femalesalary.push(Aftereat[i].salary)
    } else {
        console.log("性别无法识别亲");
    }
}

var avgmale
var avgfemale

function avg(dataIntArr) {
    var avg = 0;
    for (var i = 0; i < dataIntArr.length; i++) {

        avg += parseFloat(dataIntArr[i]);
    }
    return avg / dataIntArr.length;
}

avg(arrsalary) avg(malesalary) avg(femalesalary)

var topsalary = 0
var summarysalary = 0
var bottomsalary = 99999999999
for (var i = 0; i < arrsalary.length; i++) {
    summarysalary += arrsalary[i];
    if (arrsalary[i] > topsalary) {
        topsalary = arrsalary[i]
    }
    if (arrsalary[i] < bottomsalary) {
        bottomsalary = arrsalary[i]
    }
}

var avgall = summarysalary / arrsalary.length console.log(bottomsalary);
console.log(topsalary);
console.log(summarysalary);
console.log(avgall);
console.log(avg(arrsalary)); //-------全员工平均工资
console.log(avg(malesalary)); //-------男员工平均工资
console.log(avg(femalesalary)); //-------女员工平均工资

//Step5:找出收购后工资高于8000的员工姓名和电话号码，按薪水从高到低排序
function sortBy(filed) {
    return function(a, b) {
        return b[filed] - a[filed]
    }
}
Aftereat.sort(sortBy("salary"))

var arrmorethan8000 = new Array();
var UserArray = function(name, phone) {
    this.name = name;
    this.phone = phone;
};
UserArray.add = function(name, phone) {
    return new UserArray(name, phone);
};

for (var i = 0; i < Aftereat.length; i++) {
    if (Aftereat[i].salary > 8000) {
        arrmorethan8000.push(UserArray.add(Aftereat[i].name, Aftereat[i].phone))
    }
}
arrmorethan8000

var MMM = Aftereat

//Step6:找出收购前后工资涨幅最高的员工姓名和电话号码，以及涨幅的百分比
for (var i = 0; i < MMM.length; i++) {
    if (MMM[i].oldsalary != undefined) {
        MMM[i].salaryrise = MMM[i].salary - MMM[i].oldsalary;
        MMM[i].percentrise = MMM[i].salaryrise / MMM[i].oldsalary * 100;
    } else {
        MMM.splice(i, 1)
    }
}

function sortBy(filed) {
    return function(a, b) {
        return b[filed] - a[filed]
    }
}
MMM.sort(sortBy("percentrise"))

//Step7:找出收购后重名最多的三个姓名，统一出他们的平均年龄
var tempObj = {};
var LLL = Aftereat
for (var i = LLL.length - 1; i >= 0; i--) {
    if (tempObj[LLL[i].name]) { // 得到元素出现的次数，并组成obj
        tempObj[LLL[i].name] = tempObj[LLL[i].name] + 1;
    } else {
        tempObj[LLL[i].name] = 1;
    }
}

var mostVal;
for (var key in tempObj) { // 从对象中得到数组中出现最多的元素
    if (!mostVal) {
        mostVal = key;
    } else if (tempObj[mostVal] < tempObj[key]) {
        mostVal = key;
    }
}
delete tempObj.mostVal

var name = []
for (var i = 0; i < Aftereat.length; i++) {
    if (Aftereat[i].name == mostVal) {
        name.push(Aftereat[i].age)
    }
}

avg(name)　　

　　作业要求

var BaiduUsers = [], WechatUsers = [];
var User = function(id, name, phone, gender, age, salary) {
this.id = id;
this.name = name;
this.phone = phone;
this.gender = gender;
this.age = age;
this.salary = salary;
};
User.create = function(id, name, phone, gender, age, salary) {
return new User(id, name, phone, gender, age, salary);
};
BaiduUsers.push(User.create(1, 'tommy', '1111','male', 18, 10000));
BaiduUsers.push(User.create(2, 'jerry', '2222','male', 28, 10000));
BaiduUsers.push(User.create(3, 'raobin','3333','female', 14, 1200));
BaiduUsers.push(User.create(4, 'binbin','4444','male', 23, 9800));
BaiduUsers.push(User.create(5, 'arthur','5555','female', 22, 10000));
WechatUsers.push(User.create(1, 'tommy', '1111','male', 20, 40000));
WechatUsers.push(User.create(2, 'allen', '6666','male', 34, 15800));
WechatUsers.push(User.create(3, 'raobin','3333','female',16, 2300));
WechatUsers.push(User.create(4, 'harvey','7777','male',30, 29800));
WechatUsers.push(User.create(5, 'yuyu', '8888','female',27, 7000));

Wechat收购Baidu，电话号码相同的人当作是同一个人，合并后salary相加，其他属性保留Wechat的数据，新的Baidu的员工重新生成id,salary涨幅20%
统计收购后的员工平均工资，最高工资，最低工资，male的平均工资，female的平均工资
找出收购后工资高于8000的员工姓名和电话号码，按薪水从高到低排序
找出收购前后工资涨幅最高的员工姓名和电话号码，以及涨幅的百分比
找出收购后重名最多的三个姓名，统一出他们的平均年龄