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30-Days-Of-JavaScript
mirror of https://github.com/Asabeneh/30-Days-Of-JavaScript
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day four update

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pull/421/head
fazzy12 3 years ago
parent e0056784be
commit b23f8a6334
3 changed files with 230 additions and 79 deletions
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208
03_Day_Booleans_operators_date/03_day_starter/scripts/main.js
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// level 1: // level 1:
// number i // number i
const firstName = 'John'; // const firstName = 'John';
const lastName = 'Doe'; // const lastName = 'Doe';
const country = 'United States'; // const country = 'United States';
const city = 'california'; // const city = 'california';
const age = 20; // const age = 20;
const isMarried = false; // const isMarried = false;
const year = 2009; // const year = 2009;
console.log(typeof(firstName)); // console.log(typeof(firstName));
console.log(typeof(lastName)); // console.log(typeof(lastName));
console.log(typeof(country)); // console.log(typeof(country));
console.log(typeof(city)); // console.log(typeof(city));
console.log(typeof(age)); // console.log(typeof(age));
console.log(typeof(isMarried)); // console.log(typeof(isMarried));
console.log(typeof(year)); // console.log(typeof(year));
// number2 // number2
console.log(typeof('10') == 10); // console.log(typeof('10') == 10);
// number3 // number3
console.log(parseInt('9.8') == 10); // console.log(parseInt('9.8') == 10);
// number4 // number4
// true // true
const a = 5 > 2; // const a = 5 > 2;
const b = 10 > 5; // const b = 10 > 5;
const c = 154843 > 2; // const c = 154843 > 2;
// false // false
const d = 6 < 5; // const d = 6 < 5;
const e = 7 < 5; // const e = 7 < 5;
const f = 8 < 5; // const f = 8 < 5;
console.log(a, b, c, d, e, f); // console.log(a, b, c, d, e, f);
// number5 // number5
console.log(4 > 3); // true // console.log(4 > 3); // true
console.log(4 >= 3); //true // console.log(4 >= 3); //true
console.log(4 < 3); // false // console.log(4 < 3); // false
console.log(4 <= 3); // false // console.log(4 <= 3); // false
console.log(4 == 4); //true // console.log(4 == 4); //true
console.log(4 === 4); //true // console.log(4 === 4); //true
console.log(4 != 4); //false // console.log(4 != 4); //false
console.log(4 !== 4); //false // console.log(4 !== 4); //false
console.log(4 != '4'); //false // console.log(4 != '4'); //false
console.log(4 == '4'); //true // console.log(4 == '4'); //true
console.log(4 === '4'); //false // console.log(4 === '4'); //false
console.log('python'.length == 'jargon'.length); //true // console.log('python'.length == 'jargon'.length); //true
// number 6 // number 6
console.log(4 > 3 && 10 < 12); // true // console.log(4 > 3 && 10 < 12); // true
console.log(4 > 3 && 10 > 12); // false // console.log(4 > 3 && 10 > 12); // false
console.log(4 > 3 || 10 < 12); // true // console.log(4 > 3 || 10 < 12); // true
console.log(4 > 3 || 10 > 12); // true // console.log(4 > 3 || 10 > 12); // true
console.log(!(4 > 3)); // false // console.log(!(4 > 3)); // false
console.log(!(4 < 3)); // true // console.log(!(4 < 3)); // true
console.log(!(false)); // true // console.log(!(false)); // true
console.log(!(4 > 3 && 10 < 12)); // false // console.log(!(4 > 3 && 10 < 12)); // false
console.log(!(4 > 3 && 10 > 12)); // true // console.log(!(4 > 3 && 10 > 12)); // true
console.log(!(4 === '4')); // true // console.log(!(4 === '4')); // true
console.log('dragon.'.includes('on') && 'python'.includes('on')); // console.log('dragon.'.includes('on') && 'python'.includes('on'));
// dates // dates
let date = new Date(); // let date = new Date();
console.log(date.getFullYear()); // console.log(date.getFullYear());
console.log(date.getMonth()); // console.log(date.getMonth());
console.log(date.getDate()); // console.log(date.getDate());
console.log(date.getDay()); // console.log(date.getDay());
console.log(date.getHours()); // console.log(date.getHours());
console.log(date.getMinutes()); // console.log(date.getMinutes());
console.log(date.getMinutes()); // console.log(date.getMinutes());
// level 2 // level 2
// number 1 // number 1
let base = window.prompt('Enter base:'); // let base = window.prompt('Enter base:');
let height = window.prompt('Enter height:'); // let height = window.prompt('Enter height:');
let result = (base * height) / 2; // let result = (base * height) / 2;
window.alert(`The area of the triangle is ${result}`); // window.alert(`The area of the triangle is ${result}`);
// number 2 // number 2
let side_a = window.prompt('Enter side a:'); // let side_a = window.prompt('Enter side a:');
let side_b = window.prompt('Enter side b:'); // let side_b = window.prompt('Enter side b:');
let side_c = window.prompt('Enter side c:'); // let side_c = window.prompt('Enter side c:');
let parameter = side_a + side_b + side_c; // let parameter = side_a + side_b + side_c;
window.alert(`The perimeter of the triangle is ${parameter}`); // window.alert(`The perimeter of the triangle is ${parameter}`);
// number 3 // number 3
let length = window.prompt('Enter length:'); // let length = window.prompt('Enter length:');
let width = window.prompt('Enter width:'); // let width = window.prompt('Enter width:');
let area = (length + width); // let area = (length + width);
let perimeter = 2 * (length + width); // let perimeter = 2 * (length + width);
window.alert(`the area of the rectangle is ${area} and the perimeter of the rectangle is ${perimeter}` ); // window.alert(`the area of the rectangle is ${area} and the perimeter of the rectangle is ${perimeter}` );
// number 4 = // number 4 =
let PI = 3.14; // let PI = 3.14;
let radius = window.prompt('enter radius:'); // let radius = window.prompt('enter radius:');
let area = PI * (radius * radius); // let area = PI * (radius * radius);
let circumfrence = 2 * (PI * radius); // let circumfrence = 2 * (PI * radius);
window.alert(`The area of the circle is ${area} and the circumfrence of a circle is ${circumfrence}`); // window.alert(`The area of the circle is ${area} and the circumfrence of a circle is ${circumfrence}`);
// number 5
// number 6
// number 7
// number 8
// number 9
// let hours = window.prompt('Enter number of hours:');
// let rates = window.prompt('Enter rates:');
// let pay = hours * rates;
// window.alert(`your weekly payment is ${pay}`);
// number 10
// let Name = window.prompt('Enter name:');
// window.alert(Name.length > 7 ? 'your name is long' : 'your name is short');
// number 11
// let firstName = 'Asabeneh'
// let lastName = 'Yetayeh'
// console.log(' your first name' + firstName + 'is longer than your last name' + lastName);
// number 12
// let myAge = 250
// let yourAge = 25
// let older = myAge - yourAge;
// console.log(`I am ${older} years older than you.`);
// number 13
// let myAge = window.prompt('Enter your age here:');
// let remAge = 25 - myAge;
// window.alert(myAge >= 25 ? 'you are old enough to drive' : `You will be allowed to drive after ${remAge} years.`);
// number 14
// number 15
let date = new Date();

26
04_Day_Conditionals/04_day_starter/scripts/main.js
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// this is your main.js script // this is your main.js script
alert('Open the browser console whenever you work on JavaScript') // level 1
// Number 1
// const age = prompt('Enter your age:')
// const wait = 2022 - age
// if (age >= 18){
// alert('You are old enough to drive')
// } else {
// alert('You are left with' + age + ' years to drive')
// }
// number 2
// let myAge = prompt('Enter my age:')
// let yourAge = prompt('Enter your age:')
// let older = yourAge - myAge
// if (myAge > yourAge){
// alert('i am older than you')
// } else {
// alert('you are' + older + ' years younger than me')
// }

75
05_Day_Arrays/05_day_starter/scripts/main.js
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console.log(countries) console.log(countries)
alert('Open the browser console whenever you work on JavaScript') // alert('Open the browser console whenever you work on JavaScript')
alert('Open the console and check if the countries has been loaded') // alert('Open the console and check if the countries has been loaded')
// number 1
const emptyArray0 = []
// number 2
const arryFiveElements = [1, 2, 3, 4, 5]
// number 3
console.log(arryFiveElements.length) // 5
// number 4
console.log(arryFiveElements[0])
console.log(arryFiveElements[2])
console.log(arryFiveElements.length - 1)
// number 5
const mixedDataType = [1, 23, 34, 'fruit', 'rice', 'beans', true, false, false, false, false]
console.log(mixedDataType.length)
// number 6
const itCompanies = ['Facebook', 'Google', 'Microsoft', 'Apple', 'IBM', 'Oracle','Amazon']
// number 7
console.table(itCompanies)
// number 8
console.log(itCompanies.length)
// number 9
console.table(itCompanies[0])
console.table(itCompanies[2])
console.table(itCompanies[6])
// number 10
console.table(itCompanies[0])
console.table(itCompanies[1])
console.table(itCompanies[2])
console.table(itCompanies[3])
console.table(itCompanies[4])
console.table(itCompanies[5])
console.table(itCompanies[6])
// number 11
const upper0 = itCompanies[0].toUpperCase()
const upper1 = itCompanies[1].toUpperCase()
const upper2 = itCompanies[2].toUpperCase()
const upper3 = itCompanies[3].toUpperCase()
const upper4 = itCompanies[4].toUpperCase()
const upper5 = itCompanies[5].toUpperCase()
const upper6 = itCompanies[6].toUpperCase()
console.log(upper0)
console.log(upper1)
console.log(upper2)
console.log(upper3)
console.log(upper4)
console.log(upper5)
console.log(upper6)
// number 12
console.log(`${itCompanies[0]} , ${itCompanies[1]} , ${itCompanies[2]} , ${itCompanies[3]} , ${itCompanies[4]} , ${itCompanies[5]} and ${itCompanies[6]} are big IT companies`)
// number 13
const exist = itCompanies.includes('Facebook')
if (exist == true) {
console.log(itCompanies[0])
}else{
console.log('comany not found')
}
// number 14

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