drixesxs
2 years ago
parent
de083fd5a1
commit
f6e6a844ec
@ -0,0 +1,41 @@
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const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24];
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// Sort the array and find the min and max age
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ages.sort((a, b) => a - b);
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const minAge = ages[0];
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const maxAge = ages[ages.length - 1];
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// Find the median age (one middle item or two middle items divided by two)
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const middleIndex = Math.floor(ages.length / 2);
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const medianAge = ages.length % 2 === 0 ? (ages[middleIndex - 1] + ages[middleIndex]) / 2 : ages[middleIndex];
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// Find the average age (all items divided by number of items)
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const sumOfAges = ages.reduce((total, age) => total + age, 0);
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const averageAge = sumOfAges / ages.length;
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// Find the range of the ages (max minus min)
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const ageRange = maxAge - minAge;
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// Compare the value of (min - average) and (max - average), use abs() method
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const diffMinAverage = Math.abs(minAge - averageAge);
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const diffMaxAverage = Math.abs(maxAge - averageAge);
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console.log(`Sorted array of ages: ${ages}`);
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console.log(`Minimum age: ${minAge}`);
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console.log(`Maximum age: ${maxAge}`);
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console.log(`Median age: ${medianAge}`);
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console.log(`Average age: ${averageAge}`);
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console.log(`Age range: ${ageRange}`);
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console.log(`Absolute difference between minimum age and average age: ${diffMinAverage}`);
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console.log(`Absolute difference between maximum age and average age: ${diffMaxAverage}`);
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const firstTenCountries = countries.slice(0, 10);
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const midd = Math.floor(countries.length / 2);
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const middleCountry = countries[midd];
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const halfLength = Math.ceil(countries.length / 2);
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const firstHalf = countries.slice(0, halfLength);
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const secondHalf = countries.slice(halfLength);
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@ -1,6 +1,45 @@
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import * as countries from './countries';
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import * as webtech from './web_techs';
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const countries = require('./countries')
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const webTechs = require('./web_techs.js')
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console.log(webTechs)
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let text = 'I love teaching and empowering people I teach HTML CSS JS React Python'
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const text_arr = text.split(" ")
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console.log(text_arr + "\n" + text_arr.length)
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let shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
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shoppingCart.unshift("Meat")
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shoppingCart.pop()
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shoppingCart[3] = "Green Tea"
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shoppingCart.push("Sugar")
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let num = countries.indexOf("Ethiopia")
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if (num = -1) {
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countries.push("ethiopia")
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console.log(countries)
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}
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else{
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console.log("ETHIOPIA")
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}
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let tech_num = webTechs.indexOf("Sass")
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if (tech_num = -1){
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webTechs.push("Sass")
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console.log(webTechs)
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}
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else{
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console.log("Sass is a css process")
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}
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const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux']
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const backEnd = ['Node', 'Express', 'MongoDB']
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const fullStack = frontEnd.concat(backEnd)
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console.log(fullStack)
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@ -0,0 +1,30 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script>
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let usrnum = prompt("Enter a number: ")
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if (usrnum%2 == 0) {
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console.log("this is an even number")
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}else{
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console.log("this is an odd number")
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}
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</script>
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</body>
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</html>
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@ -0,0 +1,41 @@
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/*let age = prompt("Enter your age: ")
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if (age >= 18){
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console.log("you are old enough to drive")
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}else {
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let diff = 18 - age
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console.log(`You are ${diff} years from driving`)
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}
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let myage = 20
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if (myage > age){
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let agediff = myage - age
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console.log(`I am ${agediff} older than you`)
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}else{
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let agediff = age - myage
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console.log(`You are ${agediff} older than me`)
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}
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*/
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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\n")
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}else{
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console.log("a is less than b")
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}
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a > b ? console.log("a is greater than b") : console.log("a is less than b")
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let usrnum = prompt("Enter a number: ")
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if (usrnum/2 == 0) {
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console.log("this is an even number")
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}else{
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console.log("this is an odd number")
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}
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@ -0,0 +1,57 @@
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function getGrade(score) {
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var grade;
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switch (true) {
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case score >= 80:
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grade = 'A';
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break;
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case score >= 70:
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grade = 'B';
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break;
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case score >= 60:
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grade = 'C';
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break;
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case score >= 50:
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grade = 'D';
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break;
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default:
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grade = 'F';
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}
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return grade;
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}
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function getSeason(month) {
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var season;
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switch (month) {
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case 'September':
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case 'October':
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case 'November':
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season = 'Autumn';
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break;
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case 'December':
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case 'January':
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case 'February':
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season = 'Winter';
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break;
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case 'March':
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case 'April':
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case 'May':
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season = 'Spring';
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break;
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case 'June':
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case 'July':
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case 'August':
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season = 'Summer';
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break;
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default:
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season = 'Invalid month';
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}
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return season;
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}
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function isWeekend(day) {
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var weekend = ['Saturday', 'Sunday'];
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return weekend.includes(day);
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}
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@ -0,0 +1,4 @@
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function daysInMonth(month, year) {
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return new Date(year, month, 0).getDate();
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}
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