Merge 77a7369558 into 09f408a1b7
Diego Baena Fronteira
7 months ago
committed by
GitHub
commit
ec21f52c8b
@ -0,0 +1,48 @@
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// Declare an empty array;
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const emptyArray = [];
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// Declare an array with more than 5 number of elements
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const numberArray = [1, 2, 3, 4, 5];
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// Find the length of your array
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console.log(numberArray.length);
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// Get the first item, the middle item and the last item of the array
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console.log(numberArray[0], numberArray[2], numberArray[4]);
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// Declare an array called mixedDataTypes, put different data types in the array and find the length of the array. The array size should be greater than 5
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const mixedDataTypes = [1, true, "Diego", 10, false, "black"];
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// Print the number of companies in the array
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console.log(mixedDataTypes.length);
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// Declare an array variable name itCompanies and assign initial values Facebook, Google, Microsoft, Apple, IBM, Oracle and Amazon
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const itCompanies = [
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"Facebook",
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"Google",
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"Microsoft",
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"Apple",
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"IBM",
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"Oracle",
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"Amazon",
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];
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// Print the array using console.log()
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console.log(itCompanies);
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// Print the number of companies in the array
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console.log(itCompanies.length);
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// Change each company name to uppercase one by one and print them out
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for(let i = 0; i < itCompanies.length; i++) {
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console.log(itCompanies[i].toUpperCase());
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}
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// Check if a certain company exists in the itCompanies array. If it exist return the company else return a company is not found
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console.log(itCompanies.includes("Facebook"));
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// Sort the array using sort() method
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console.log(itCompanies.sort());
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// Reverse the array using reverse() method
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console.log(itCompanies.reverse());
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// Slice out the first 3 companies from the array
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console.log(itCompanies.slice(0, 2));
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// Slice out the last 3 companies from the array
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console.log(itCompanies.slice(0, -4));
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// Remove the first IT company from the array
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console.log('teste');
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console.log(itCompanies.shift());
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// Remove the last IT company from the array
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console.log(itCompanies.pop());
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@ -0,0 +1,13 @@
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const countries = [
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'Albania',
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'Bolivia',
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'Canada',
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'Denmark',
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'Ethiopia',
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'Finland',
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'Germany',
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'Hungary',
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'Ireland',
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'Japan',
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'Kenya',
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]
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@ -0,0 +1,9 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>30DaysOfScript:Internal Script</title>
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</head>
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<body>
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<script src="./Level2.js"></script>
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</body>
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</html>
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@ -0,0 +1,9 @@
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const webTechs = [
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'HTML',
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'CSS',
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'JavaScript',
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'React',
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'Redux',
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'Node',
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'MongoDB',
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]
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@ -0,0 +1,198 @@
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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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<link
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href="https://fonts.googleapis.com/css?family=Montserrat:300,400,500|Roboto:300,400,500&display=swap"
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rel="stylesheet"
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/>
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<title>30 Days Of React Challenge</title>
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<style>
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/* == General style === */
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* {
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box-sizing: border-box;
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padding: 0;
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margin: 0;
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}
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html,
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body {
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height: 100%;
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line-height: 1.5;
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font-family: 'Montserrat';
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font-weight: 300;
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color: black;
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}
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.root {
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min-height: 100%;
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position: relative;
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}
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.header-wrapper,
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.main-wrapper,
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.footer-wrapper {
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width: 85%;
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margin: auto;
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}
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.header-wrapper,
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.main-wrapper {
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padding: 10px;
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margin: 2px auto;
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}
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h1 {
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font-size: 70px;
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font-weight: 300;
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}
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h2,
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h3 {
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font-weight: 300;
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}
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header {
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background-color: #61dbfb;
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padding: 10px;
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}
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main {
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padding: 10px;
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padding-bottom: 60px;
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/* Height of the footer */
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}
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ul {
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margin-left: 15px;
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}
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ul li {
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list-style: none;
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}
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footer {
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position: absolute;
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bottom: 0;
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width: 100%;
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height: 60px;
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/* Height of the footer */
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background: #6cf;
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}
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.footer-wrapper {
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font-weight: 400;
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text-align: center;
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line-height: 60px;
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}
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</style>
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</head>
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<body>
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<div class="root"></div>
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<script
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crossorigin
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src="https://unpkg.com/react@16/umd/react.development.js"
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></script>
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<script
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crossorigin
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src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"
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></script>
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<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
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<script type="text/babel">
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// To get the root element from the HTML document
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const rootElement = document.querySelector('.root')
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// JSX element, header
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const welcome = 'Welcome to 30 Days Of React Challenge'
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const title = 'Getting Started React'
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const subtitle = 'JavaScript Library'
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const author = {
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firstName: 'Asabeneh',
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lastName: 'Yetayeh',
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}
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const date = 'Oct 2, 2020'
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// JSX element, header
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const header = (
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<header>
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<div className='header-wrapper'>
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<h1>{welcome}</h1>
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<h2>{title}</h2>
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<h3>{subtitle}</h3>
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<p>
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Instructor: {author.firstName} {author.lastName}
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</p>
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<small>Date: {date}</small>
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</div>
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</header>
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)
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const numOne = 3
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const numTwo = 2
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const result = (
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<p>
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{numOne} + {numTwo} = {numOne + numTwo}
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</p>
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)
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const yearBorn = 1820
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const currentYear = 2020
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const age = currentYear - yearBorn
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const personAge = (
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<p>
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{' '}
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{author.firstName} {author.lastName} is {age} years old
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</p>
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)
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// JSX element, main
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const techs = ['HTML', 'CSS', 'JavaScript']
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const techsFormatted = techs.map((tech) => <li key={tech}>{tech}</li>)
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// JSX element, main
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const main = (
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<main>
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<div className='main-wrapper'>
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<p>
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Prerequisite to get started{' '}
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<strong>
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<em>react.js</em>
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</strong>
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:
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</p>
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<ul>{techsFormatted}</ul>
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{result}
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{personAge}
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</div>
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</main>
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)
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const copyRight = 'Copyright 2020'
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// JSX element, footer
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const footer = (
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<footer>
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<div className='footer-wrapper'>
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<p>{copyRight}</p>
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</div>
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</footer>
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)
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// JSX element, app
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const app = (
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<div className='app'>
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{header}
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{main}
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{footer}
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</div>
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)
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// we render the JSX element using the ReactDOM package
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ReactDOM.render(app, rootElement)
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</script>
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</body>
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</html>
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