| javascript level up |
| 1 | var year = prompt ('Enter a value of the year', ''); if (year.length == 1) { year = "000" + year; } else if(year.length == 2) { year = "00" + year; } else if(year.length == 3) { year = "0" + year; } var hundreds = year0 + year1; var decade = year2 + year3; hundreds = +hundreds decade = +decade if (+year > 2017) { alert ('Год указан неправильно'); } else if(decade == 0) { alert (hundreds); } else if(decade > 0) { |
| 2 | alert (hundreds + 1); var year = prompt ('Enter a value of the year', ''); if (year.length == 1) { year = "000" + year; } else if(year.length == 2) { year = "00" + year; } else if(year.length == 3) { year = "0" + year; } var hundreds = year0 + year1; var decade = year2 + year3; hundreds = +hundreds decade = +decade if (+year > 2017) { alert ('Год указан неправильно'); } else if(decade == 0) { alert (hundreds); } else if(decade > 0) { alert (hundreds + 1); function years(num) { var todayYear = new Date().getFullYear() |
| 3 | if(num>=1&&num<=todayYear){ var result = Math.ceil(num100); return result; } else{ alert('Год указан не правильно'); } years(parseInt(prompt('Введите год'))); } function checkAge(age) { if (age > 0 && age < 2018) { return true; } else{ return alert('Год указан не верно!'); } function showCentury (age) { res = Math.ceil(age 100); return res; } var age = prompt('Введите год'); if (checkAge(age)) { alert(showCentury(age)); |
| 4 | } else{ ''; } var year = prompt("Введите год", ""); function getCentury() { if (isFinite(year) число && parseInt(year) == year целое число && year<=2017 не болше 2017 && year>=1) не менше 1 { var century = Math.ceil(year100); alert(year + " год это - " + century + " век") } else{ alert("Год указан не правильно") } getCentury(); function calcCentury(year){ if (year>=1 && year<=(new Date().getFullYear())) { return (Math.ceil(year 100)); |
| 5 | } else{ return "Год указан не правильно"; } <script> function age (year) { if (year >= 1 && year <= 2017) { age = Math.ceil(year 100); alert (age) } else{ alert("Введен не верный год") } age(0); <script> function getAgeFromYear(year) { var year_rounded = Math.round(year); |
| 6 | if(!year_rounded year_rounded < 0 year_rounded > 2017) { alert('You set wrong year: ' + year); return false; } else{ return Math.ceil(year_rounded100); } function century(year) { var curentYear = new Date().getFullYear(); if(year<1 year > curentYear) { return 'Year is not correct'; } |
| 7 | return Math.ceil(year 100); } century(2018); function whichCentury(year) { if(year > 0 && year < 2018) { return "It's " + Math.ceil(year 100) + " century"; } else{ return "Year is incorrect. Please, try again!"; } |
| 8 | function centuryCounter(year) { if(year > 0 && year <= 2017) { console.log(Math.ceil(year100)); } else{ console.log("Год указан неверно"); } centuryCounter(1935); function centuryCheck(year) { var minYear = 1; var maxYear = new Date().getFullYear(); var error = "Год указан не правильно"; if(!isNaN(parseInt(year))) { if (year >= minYear && year <= maxYear) { return Math.ceil(year 100); } return error; } |
| 9 | function century(number){ if (number <= 0 number > 2017 isNaN(number)){ return 'Год указан не правильно' } else if(number % 100 === 0) { return Math.round(number * 10 1000); } else return Math.ceil(number * 10 1000); } century (1500); var year = +prompt('Введите год', 2017); function century(year) { if(year < 1 year > 2017 isNaN(year) == true) { alert('Год указан не правильно'); } else{ alert(Math.ceil(year100)); } |
| 10 | century(year); function getPolygon(n) { if (n <= 0 isNaN(n)) { return 0; } var polygon = 1; for (i = 2; i <= n; i++) { polygon += (i-1)*4; } return polygon; } function area(n){ var res; res = Math.ceil(n*n*(n+1)2.9) return res; } function polygon(n) { var num = 1; if (n == 1) { return n } else{ for (var i = 0; i < n; i++) { num += i*4; } return num; } |
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