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- // switch: sizes
- let usSize = [
- {
- number: [6],
- men: 'S',
- woman:['XXS']
- },
- {
- number: [8, 10],
- men: 'M',
- woman:['XXS', 'XS']
- },
- {
- number: [12, 14],
- men: 'L',
- woman:['S', 'M']
- },
- {
- number: [16, 18],
- men: 'XL',
- woman:['L','XL']
- },
- {
- number: [20, 22],
- men: 'XXL',
- woman:['XXL', 'XXXL']
- },
- ]
- let rusSize = prompt('Введите НАШ формат размера для переводa на на Американский формат','')
- switch(+rusSize && +rusSize >= 40 && +rusSize <= 56) {
- case true:
- rusSize = +rusSize
- let flag = 0
- switch(rusSize % 2 !== 0) {
- case true:
- rusSize--
- flag++
- }
- for(let i = 0; i < usSize.length; i++) {
- let temp = usSize[i].number.findIndex(element => { return element === (rusSize - 34)})
- switch( temp >= 0) {
- case true:
- alert(`
- ${rusSize+flag}-й размер в американском формате:
- +---------------------------------------+
- Размер: ${usSize[i].number[temp]}
- Мужчины: ${usSize[i].men}
- Женщины: ${usSize[i].woman[temp]}
- +---------------------------------------+
- `)
- i = usSize.length
- break;
- default:
- continue;
- }
- }
- break;
- case false:
- alert('Неправильный размер.')
- break;
- }
- //switch: if
- let color = prompt("Введите цвет","");
- switch (color){
- case "red": document.write("<div style='background-color: red;'>красный</div>");
- case "black": document.write("<div style='background-color: black; color: white;'>черный</div>");
- break;
- case "blue": document.write("<div style='background-color: blue;'>синий</div>");
- case "green": document.write("<div style='background-color: green;'>зеленый</div>");
- break;
- default: document.write("<div style='background-color: gray;'>Я не понял</div>");
- }
- if(color === 'red') {
- document.write("<div style='background-color: red;'>красный</div>");
- document.write("<div style='background-color: black; color: white;'>черный</div>");
- } else if(color === 'blue') {
- document.write("<div style='background-color: blue;'>синий</div>");
- document.write("<div style='background-color: green;'>зеленый</div>");
- } else if(color === 'green') {
- document.write("<div style='background-color: green;'>зеленый</div>");
- } else if(color === 'black') {
- document.write("<div style='background-color: black; color: white;'>черный</div>");
- } else {
- document.write("<div style='background-color: gray;'>Я не понял</div>");
- }
- //prompt: or
- let age = prompt('Введите свой возраст', '') || alert('Вы не ввели ничего!')
- if (age && isNaN(age) || age > 200 || age < 0){
- alert('Вы ввели неверные данные!')
- } else if(age){
- age = age = Math.trunc(Number(age))
- res = new Date().getFullYear() - age
- alert(`Исходя из введенного вами возраста вы родились в ${res}г. либо ${res-1}г.`)
- }
- //confirm: or this days
- confirm('шоппинг') || alert('ты-бяка')
- //confirm: if this days
- if(!confirm('шоппинг')) {
- alert('ты-бяка')
- }
- //triple prompt
- let Name = prompt('your Name:','')
- let surname = prompt('your Surname:','')
- let patronymic = prompt('your Patronymic:','')
- alert(`${surname} ${Name} ${patronymic}`)
- //default: or
- let defaultName = prompt('your Name:','') || 'Иван'
- let defaultSurname = prompt('your Surname:','') || 'Иванов'
- let defaultPatronymic = prompt('your Patronymic:','') || 'Иванович'
- alert(`${defaultSurname} ${defaultName} ${defaultPatronymic}`)
- // default: if
- if(Name) {
- Name = Name
- } else {
- Name = 'Ivan'
- }
- if(surname) {
- surname = surname
- } else {
- surname = 'Ivanov'
- }
- if (patronymic) {
- patronymic = patronymic
- } else {
- patronymic = 'Ivanovich'
- }
- alert(`Triple promt, but using "if else" to add default values:
- ${surname} ${Name} ${patronymic}`)
- //login and password
- if(prompt('login','') === 'admin') {
- alert('correct login')
- if(prompt('password','') === 'qwerty') {
- alert('correct password')
- } else {
- alert('wrong password')
- }
- } else {
- alert('wrong login')
- }
- //currency calc
- function truncateFraction (number) {
- try {
- let strNum = String(number).split('.')
- if(strNum[1].length > 2) {
- strNum[1] = strNum[1].slice(0, 2)
- }
- return Number(strNum.join('.'))
- } catch (e) {
- return number
- }
- }
- let curr = prompt('type currency: "eur" or "usd"','')
- let transferLog = {
- initial: 'hrn',
- to: '',
- ratios: {
- sold: {
- usd: 0.032,
- eur: 0.037,
- setUsd: function(value) {
- this.usd = value
- },
- setEur: function(value) {
- this.eur = value
- }
- },
- bought: {
- usd: 0.033,
- eur: 0.038
- }
- }
- }
- //currency calc:if
- if(curr) {
- // switch(curr.toLocaleLowerCase()) {
- // case 'eur':
- // transferLog.to = 'eur'
- // confirm('Sell press "Ok" | Buy press "Cancel"')? transferLog.curr = [transferLog.ratios['sold']['usd'], 'sold'] : transferLog.curr = [transferLog.ratios['bought']['usd'], 'bought']
- // break;
- // case 'usd':
- // transferLog.to = 'usd'
- // confirm('Sell press "Ok" | Buy press "Cancel"')? transferLog.curr = [transferLog.ratios['sold']['eur'], 'sold'] : transferLog.curr = [transferLog.ratios['bought']['eur'], 'bought']
- // break;
- // }
- if(curr.toLocaleLowerCase() === 'eur') {
- transferLog.to = 'eur'
- confirm('Sell press "Ok" | Buy press "Cancel"')? transferLog.curr = [transferLog.ratios['sold']['usd'], 'sold'] : transferLog.curr = [transferLog.ratios['bought']['usd'], 'bought']
- }
- if(curr.toLocaleLowerCase() === 'usd') {
- transferLog.to = 'usd'
- confirm('Sell press "Ok" | Buy press "Cancel"')? transferLog.curr = [transferLog.ratios['sold']['eur'], 'sold'] : transferLog.curr = [transferLog.ratios['bought']['eur'], 'bought']
- }
-
- if(transferLog.to === 'eur' || transferLog.to === 'usd') {
- transferLog.money = prompt('input amount of money to give', '')
- if(!+transferLog.money) {
- alert('invalid input')
- } else {
- transferLog.given = Number(transferLog.money)
- if(transferLog.curr[1] === 'sold') {
- transferLog.money = truncateFraction(transferLog.given / transferLog.curr[0])
- transferLog.message = `You've ${transferLog.curr[1]} ${transferLog.given}${transferLog.to} for ${transferLog.money}${transferLog.initial}`
-
- } else if(transferLog.curr[1] === 'bought') {
- transferLog.money = truncateFraction(transferLog.given * transferLog.curr[0])
- transferLog.message = `You've ${transferLog.curr[1]} ${transferLog.money}${transferLog.to} for ${transferLog.given}${transferLog.initial}`
- }
- transferLog.money > 0? alert(transferLog.message) : alert(`Looks like there is too little amount of hrn given to translate to ${transferLog.to}`)
- }
- } else {
- alert('invalid input')
- }
- } else {
- alert('No input.')
- }
- // scissors
- let combos = {
- paper: {
- conter: 'scissors'
- },
- scissors: {
- conter: 'rock'
- },
- rock: {
- conter: 'paper'
- }
- }
- let user = prompt('rock, paper, scissors?').toLocaleLowerCase()
- if(user === 'rock' || user === 'paper' || user === 'scissors') {
- let computer = Math.random()
- if(computer >= 0.6) {
- computer = 'scissors'
- } else if(computer <= 0.3) {
- computer = 'paper'
- } else {
- computer = 'rock'
- }
- alert(`computer: ${computer}`)
- if(user === computer) {
- alert('TIE')
- } else {
- combos[computer].conter === user ? alert('USER WINS.') : alert('COMPUTER WINS.')
- }
- } else {
- alert('user disqualified! Compuer wins!')
- }
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