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@@ -0,0 +1,118 @@
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+// switch: sizes
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+// let usSize = [
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+// {
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+// number: [6],
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+// men: 'S',
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+// woman:['XXS']
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+// },
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+// {
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+// number: [8, 10],
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+// men: 'M',
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+// woman:['XXS', 'XS']
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+// },
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+// {
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+// number: [12, 14],
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+// men: 'L',
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+// woman:['S', 'M']
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+// },
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+// {
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+// number: [16, 18],
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+// men: 'XL',
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+// woman:['L','XL']
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+// },
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+// {
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+// number: [20, 22],
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+// men: 'XXL',
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+// woman:['XXL', 'XXXL']
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+// },
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+// ]
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+
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+// let rusSize = prompt('Введите НАШ формат размера для переводa на на Американский формат','')
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+
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+// switch(+rusSize && +rusSize >= 40 && +rusSize <= 56) {
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+// case true:
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+// rusSize = +rusSize
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+// let flag = 0
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+
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+// switch(rusSize % 2 !== 0) {
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+// case true:
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+// rusSize--
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+// flag++
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+// }
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+
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+// for(let i = 0; i < usSize.length; i++) {
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+// let temp = usSize[i].number.findIndex(element => { return element === (rusSize - 34)})
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+// switch( temp >= 0) {
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+// case true:
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+// alert(`
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+// ${rusSize+flag}-й размер в американском формате:
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+// +---------------------------------------+
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+// Размер: ${usSize[i].number[temp]}
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+// Мужчины: ${usSize[i].men}
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+// Женщины: ${usSize[i].woman[temp]}
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+// +---------------------------------------+
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+// `)
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+// i = usSize.length
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+// break;
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+
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+// default:
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+// continue;
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+// }
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+// }
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+// break;
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+
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+// case false:
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+// alert('Неправильный размер.')
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+// break;
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+// }
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+
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+//switch: if
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+let color = prompt("Введите цвет","");
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+// switch (color){
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+// case "red": document.write("<div style='background-color: red;'>красный</div>");
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+// case "black": document.write("<div style='background-color: black; color: white;'>черный</div>");
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+// break;
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+// case "blue": document.write("<div style='background-color: blue;'>синий</div>");
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+// case "green": document.write("<div style='background-color: green;'>зеленый</div>");
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+// break;
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+// default: document.write("<div style='background-color: gray;'>Я не понял</div>");
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+// }
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+
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+if(color === 'red') {
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+ document.write("<div style='background-color: red;'>красный</div>");
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+ document.write("<div style='background-color: black; color: white;'>черный</div>");
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+} else if(color === 'blue') {
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+ document.write("<div style='background-color: blue;'>синий</div>");
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+ document.write("<div style='background-color: green;'>зеленый</div>");
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+} else if(color === 'green') {
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+ document.write("<div style='background-color: green;'>зеленый</div>");
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+} else if(color === 'black') {
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+ document.write("<div style='background-color: black; color: white;'>черный</div>");
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+} else {
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+ document.write("<div style='background-color: gray;'>Я не понял</div>");
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+}
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+
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+//prompt: or
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+let age = prompt('Введите свой возраст', '') || alert('Вы не ввели ничего!')
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+if (age && isNaN(age) || age > 200 || age < 0){
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+ alert('Вы ввели неверные данные!')
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+} else if(age){
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+ age = age = Math.trunc(Number(age))
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+ res = new Date().getFullYear() - age
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+ alert(`Исходя из введенного вами возраста вы родились в ${res}г. либо ${res-1}г.`)
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+}
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+
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+//confirm: or this days
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+confirm('шоппинг') || alert('ты-бяка')
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+
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+//confirm: if this days
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+if(!confirm('шоппинг')) {
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+ alert('ты-бяка')
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+}
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+
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+//triple prompt
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+let Name = prompt('your Name:','')
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+let surname = prompt('your Surname:','')
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+let fathersname = prompt('your Fathersname:','')
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+alert(surname, fathersname, Name)
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+
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