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+//Number: temperature
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+let fahrenheit = x => x * 1.8 + 32 // функция конвертации из цельсия в фарингейты
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+console.log(fahrenheit(20))//68 градусов по фарингейту
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+
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+
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+
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+//Flats
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+let flats = (apartmentNumber,floorNumber,numberApartmentsFloor)=>{
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+ let sumApartments = floorNumber*numberApartmentsFloor// здесь мы узнаем сколько квартир в подьезде
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+ let entrance = Math.ceil(apartmentNumber/sumApartments)//номер подьезда
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+ let floor = Math.ceil((apartmentNumber%sumApartments)/numberApartmentsFloor)//номер этажа
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+ return {entrance,floor}
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+}
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+console.log(flats(65,9,4))//{entrance: 2, floor: 8}
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+
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+
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+//Credentials
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+{
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+ let credentials = ()=>{
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+ let name = prompt("Введите имя").trim().toLowerCase();
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+ let surname = prompt("Введите фамилию").trim().toLowerCase();
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+ let fatherName = prompt("Введите отчество").trim().toLowerCase();
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+ name = name[0].toUpperCase()+name.slice(1);
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+ surname = surname[0].toUpperCase()+surname.slice(1);
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+ fatherName = fatherName[0].toUpperCase()+fatherName.slice(1);
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+ fullName = name+' '+surname+' '+fatherName
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+ return {name,surname,fatherName,fullName}
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+ }
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+ console.log(credentials())
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+}
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+
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+
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+
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+//New line
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+{
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+ let newLine = (str)=>{
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+ let result = (str.split('\\n').join('\n'))
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+ return result
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+ }
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+ console.log(newLine('1 строка \n 2 строка'))
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+}
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+
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+//Prompt OR
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+{
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+ let promptOr = (age) => age ? alert('Вы ' +(2022 - age)+ ' года рождения!') :alert('Ошибка')
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+ console.log(promptOr(+prompt('Сколько вам лет?')))
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+}
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+
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+
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+
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+//Login And Password
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+{
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+ let loginAndPassword = (login, pass) => login === 'admin' && pass === 'qwerty' ? console.log(true) : console.log(false)
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+ console.log(loginAndPassword('admin','qwerty'))//true
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+}
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+
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+
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+
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+//For Table
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+
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+{
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+ const arr = [[0,0,0,0,0],[0,1,2,3,4],[0,2,4,6,8],[0,3,6,9,12],[0,4,8,12,16]]
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+ let table = (array) => {
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+ let str = "<table border='1'>"
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+ for (let currency of arr){
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+ str += '<tr>'
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+ for (let letter of currency){
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+ str += '<td>'+letter+'</td>'
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+ }
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+ str+= '</tr>'
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+ }
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+ str+= "</table>"
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+ return str
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+ }
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+ document.write(table(arr))
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+}
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+
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+//Filter Lexics
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+{
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+ let func = (str,motherWordArr)=>{
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+ str = str.split(' ')
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+ let result = str.filter(element => motherWordArr.indexOf(element)=== -1)
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+ result = result.join(' ')
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+ return result
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+ }
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+ console.log(func('Функция должна возвращать бляха муха строку!',['бляха', 'муха', "пляха", "шабля"]))
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+}
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+
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+
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+//Currency Table
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+{
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+ let func = ()=>{
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+ fetch('https://open.er-api.com/v6/latest/USD').then(res => res.json())
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+ .then(data => {
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+ let dataObj = data.rates
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+ let arrValues = Object.values(dataObj)
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+ let arrKeys = Object.keys(dataObj)
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+ let arrData = []
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+ let i = 0
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+ for(let valuesEl of arrValues){
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+ arrData.push(arrValues.map(x=>(valuesEl/x).toFixed(3)))
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+ arrData[i].unshift(arrKeys[i])
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+ i++
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+ }
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+ arrKeys.unshift('')
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+ arrData.unshift(arrKeys)
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+ let currencyTable = "<table border='1'>"
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+ for (let arrEl of arrData){
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+ currencyTable += '<tr>'
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+ for (let cell of arrEl){
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+ currencyTable += '<td>'+cell+'</td>'
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+ }
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+ currencyTable+= '</tr>'
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+ }
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+ currencyTable+= "</table>"
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+ document.write(currencyTable)
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+ })
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+ }
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+ console.log(func())
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+}
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+
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+
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+//Form
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+{
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+ let func = (obj) => {
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+ let keysArrCar = Object.keys(obj)
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+ let valuesArrCar = Object.values(obj)
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+ let i = 0
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+ let strType
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+ let formObjCar = '<form>\n'
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+ for (let a of keysArrCar){
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+ if (typeof valuesArrCar[i]=='string'){
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+ strType = 'text'
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+ }
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+ else if(typeof valuesArrCar[i]=='boolean'){
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+ strType = 'checkbox'
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+ }
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+ else{strType=typeof valuesArrCar[i]}
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+ formObjCar += ' <label>'+a+': <input type="'+strType+'" value="'+valuesArrCar[i]+'"/></label>\n'
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+ i++
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+ }
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+ formObjCar += '</form>'
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+ document.write(formObjCar)
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+ }
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+
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+
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+ const car = {
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+ "Name":"chevrolet chevelle malibu",
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+ "Cylinders":8,
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+ "Displacement":307,
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+ "Horsepower":130,
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+ "Weight_in_lbs":3504,
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+ "Origin":"USA",
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+ "in_production": false
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+ }
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+
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+ console.log(func(car))
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+}
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+
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+
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+//Array of objects sort
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+{
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+ let sort = (arrObj,key,revers)=>{
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+ return arrObj.sort((firstEl, secondEl) =>{
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+ if (typeof firstEl[key] === 'string' ){
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+ return revers===undefined || revers===true?firstEl[key].localeCompare(secondEl[key]):secondEl[key].localeCompare(firstEl[key])
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+ }
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+ else if (typeof firstEl[key] === 'number'){
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+ return revers===undefined || revers===true?firstEl[key] - secondEl[key]:secondEl[key]-firstEl[key]
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+ }
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+ })
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+ }
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+ var persons = [
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+ {name: "Иван", age: 17},
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+ {name: "Мария", age: 35},
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+ {name: "Алексей", age: 73},
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+ {name: "Яков", age: 12},
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+ ]
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+ //console.log(sort(persons, "age"))
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+ console.log(sort(persons, "name",false))
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+}
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+
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+
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+
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+//Table
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+{
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+ let func = (arrayObj,keyObj,revers)=>{
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+ let sort = (arrObj,key,revers)=>{
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+ return arrObj.sort((firstEl, secondEl) =>{
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+ if (typeof firstEl[key] === 'string' ){
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+ return revers===undefined || revers===true?firstEl[key].localeCompare(secondEl[key]):secondEl[key].localeCompare(firstEl[key])
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+ }
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+ else if (typeof firstEl[key] === 'number'){
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+ return revers===undefined || revers===true?firstEl[key] - secondEl[key]:secondEl[key]-firstEl[key]
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+ }
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+ })
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+ }
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+ let [...arrCopi] = arrayObj
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+ persons= sort(arrCopi,keyObj,revers)
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+ let i = 0
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+ let arrKeys = []
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+ for (let x of persons){
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+ arrKeys += Object.keys(persons[i])+','
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+ i++
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+ }
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+ arrKeys = arrKeys.split(',').slice(0,-1)
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+ const makeUniq = (arr) => {
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+ return arr.filter((el1, el2) => arr.indexOf(el1) === el2);
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+ }
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+ arrKeys = makeUniq(arrKeys)
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+ let arrValue = []
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+ for (let objPersons of persons){
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+ arrValue.push(arrKeys.map(el=>objPersons[el]===undefined?objPersons[el]=' ':objPersons[el]))
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+ }
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+ arrValue.unshift(arrKeys)
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+
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+ let arrTable = "<table border='1'>"
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+ for (let arrEl of arrValue){
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+ arrTable += '<tr>'
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+ for (let cell of arrEl){
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+ arrTable += '<td>'+cell+'</td>'
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+ }
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+ arrTable+= '</tr>'
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+ }
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+ arrTable+= "</table>"
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+ document.write(arrTable)
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+ }
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+ const pers = [
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+ {
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+ name: 'Мария',
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+ fatherName: 'Ивановна',
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+ surname: 'Иванова',
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+ sex: 'female'
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+ },
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+ {
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+ name: 'Николай',
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+ fatherName: 'Иванович',
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+ surname: 'Иванов',
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+ age: 15
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+ },
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+ {
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+ name: 'Петр',
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+ fatherName: 'Иванович',
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+ surname: 'Иванов',
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+ married: true
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+ },
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+ ]
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+ console.log(func(pers,'surname'))
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+}
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+
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+
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+
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