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110 lines
3.9 KiB
110 lines
3.9 KiB
// this is your main.js script
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alert('Open the browser console whenever you work on JavaScript')
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//Exercises: Level 1
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//1.Get user input using prompt(“Enter your age:”). If user is 18 or older , give feedback:'You are old enough to drive' but if not 18 give another feedback stating to wait for the number of years he needs to turn 18.
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let yourAge = prompt('Enter you age')
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if(yourAge >= 18){
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console.log('you are old enough to drive')
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}else {
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console.log(`You are left whih ${(18 - yourAge )} to drive`)
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}
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//2.Compare the values of myAge and yourAge using if … else. Based on the comparison and log the result to console stating who is older (me or you). Use prompt(“Enter your age:”) to get the age as input.
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let myAge = prompt('Enter my age')
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let yourAge_ = prompt('Enter your age')
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if(myAge<yourAge_){
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console.log(`You are ${yourAge_ - myAge} years older than me.`)}
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else if(myAge>yourAge_){
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console.log(`I am ${myAge - yourAge_} years older than you`)
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}else{
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console.log('we are same age')
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}
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//3.If a is greater than b return 'a is greater than b' else 'a is less than b'. Try to implement it in to ways
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let a = 4
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let b = 3
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if(a>b){
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console.log(`${a} is greater than ${b}`)
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}else if(a<b){
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console.log(`${a} is less than ${b}`)
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}else{
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console.log(`${a} is equal ${b}`)
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}
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a > b ? console.log('a is greater than b'):a<b? console.log('a is less than b'): console.log('a is equal b');
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//4.Even numbers are divisible by 2 and the remainder is zero. How do you check, if a number is even or not using JavaScript?
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let num = prompt('Enter number')
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if(num % 2 === 0){
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console.log(`${num}is an even number`)
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}else{
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console.log(`${num} is an odd number`)
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}
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//Exercises: Level 2
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/*1.Write a code which can give grades to students according to theirs scores:
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80-100, A
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70-89, B
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60-69, C
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50-59, D
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0-49, F
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*/
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let scores = prompt('Enter score')
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if( scores<= 100 && scores>=80){
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console.log(`your score es A`)
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}else if(scores>=70 && scores<=89){
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console.log('your score is B')
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}else if(scores >=60 && scores<=69){
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console.log('your score is C')
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}else if(scores >=50 && scores<=59){
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console.log('your score is D')
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}else if(scores >=0 && scores<=49){
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console.log('Your score es F')
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}else{
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console.log('Max score is 100')
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}
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/*2.Check if the season is Autumn, Winter, Spring or Summer. If the user input is :
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° September, October or November, the season is Autumn.
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° December, January or February, the season is Winter.
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° March, April or May, the season is Spring
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° June, July or August, the season is Summer*/
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let season = prompt('Enter month')
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season = season.toLowerCase()
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if(season==='september' || season === 'october'|| season==='november'){
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console.log('Season is Autumn')
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}else if(season==='december'|| season==='january'|| season==='february'){
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console.log('the season is Spring')
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}else{
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console.log('the season is Summer')
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}
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//3.Check if a day is weekend day or a working day. Your script will take day as an input.
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let daysOfWeek = ['monday', 'tuesday', 'wedsnesday','thursday', 'friday', 'saturday', 'sunday'];
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let input = prompt('Enter day').toLowerCase();
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input === daysOfWeek[5] || input === daysOfWeek[6]? console.log(`${input[0].toUpperCase() + input.slice(1)} is a weekend`):
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input === daysOfWeek[0] || input === daysOfWeek[1] || input === daysOfWeek[2] || input === input[3] || input === daysOfWeek[4]? console.log(`${input[0].toUpperCase() + input.slice(1)} is a day working`):console.log(`${input} no es un dia de la semana`);
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//Exercises: Level 3
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//1. Write a program which tells the number of days in a month.
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const months = {"january": 1, "february": 2, "march":3, "april": 4, "may": 5, "june": 6, "july": 7, "august": 8, "september": 9, "october": 10, "november": 11, "december": 12 };
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let daysInMonth = new Date(2022, months[prompt('Enter Month').toLowerCase], 0).getDate();
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console.log(daysInMonth);
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