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30-Days-Of-JavaScript
mirror of https://github.com/Asabeneh/30-Days-Of-JavaScript
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day 2, having a good time!

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pull/862/head
Dzykas 3 years ago
parent 243607df8f
commit 22830f2457
5 changed files with 115 additions and 12 deletions
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27
solutions/day-01/variable.js
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@ -1,16 +1,19 @@
let a = "string"; let a = "string"
let b = true; let b = true
let c = null; let c = null
let d = undefined; let d = undefined
let firstName = "Eligijus"; let firstName = "Eligijus"
let lastName = "Dzikavicius"; let lastName = "Dzikavicius"
let isMarried = false; let isMarried = false
let age = 17; let age = 17
let live = "Lithuania" let live = "Lithuania"
let myAge = 17; let myAge = 17
let yourAge = 30; let yourAge = 30
console.log("I am " + myAge + " years old."); console.log("I am " + myAge + " years old.")
console.log("You are " + yourAge + " years old."); console.log("You are " + yourAge + " years old.")
let js = "JavaScript"
console.log(js.length)

13
solutions/day-02/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Day 2 Exercises</title>
</head>
<body style="background-color: black;">
<script src="level1.js"></script>
<script src="level2.js"></script>
<script src="level3.js"></script>
</body>
</html>

34
solutions/day-02/level1.js
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let challenge = "30 Days Of JavaScript"
console.log(challenge)
console.log(challenge.length)
console.log(challenge.toUpperCase())
console.log(challenge.toLowerCase())
console.log(challenge.substring(3))
console.log(challenge.substring(0,3))
console.log(challenge.includes("Script"))
console.log(challenge.split())
console.log(challenge.split(" "))
console.log(challenge.replace("JavaScript", "Python"))
console.log(challenge.charAt(15))
console.log(challenge.charCodeAt(11))
console.log(challenge.indexOf("a"))
console.log(challenge.lastIndexOf("a"))
console.log(challenge.startsWith("3"))
console.log(challenge.endsWith("t"))
console.log(challenge.match(/a/gi))
console.log(challenge.repeat(2))
console.log("30 Days of ".concat("JavaScript"))
let companies = "Facebook, Google, Microsoft, Apple, IBM, Oracle, Amazon"
console.log(companies.split(" ,"))
console.log(companies.split(", "))
let sentence = "You cannot end a sentence with because because because is a conjunction"
console.log(sentence.indexOf("because"))
console.log(sentence.lastIndexOf("because"))
console.log(sentence.search("because"))
console.log(" 30 Days Of JavaScript ".trim())

26
solutions/day-02/level2.js
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console.log("The quote 'There is no exercise better for the heart than reaching down and lifting people up.' by John Holmes teaches us to help one another.\n")
console.log("Love is not patronizing and charity isn't about pity, it is about love. Charity and love are the same -- with charity you give love, so don't just give money but reach out your hand instead.\n")
let num1 = parseInt("10")
let num2 = parseFloat("9.8")
if (num2 !== 10) {
num2 = 10
}
console.log(num1)
console.log(num2)
console.log("jargon python".includes("on"))
console.log("I hope this course is not full of jargon.".includes("jargon"))
console.log(Math.floor(Math.random() * 101))
console.log(Math.floor(Math.random() * 51) + 50)
console.log(Math.floor(Math.random() * 257))
let str = "JavaScript"
let randomNumber = Math.floor(Math.random() * str.length)
let randomCharacter = str[randomNumber]
console.log(randomCharacter)
console.log("1 1 1 1 1\n2 1 2 4 8\n3 1 3 9 27\n4 1 4 16 64\n5 1 5 25 125")
console.log("You cannot end a sentence with because because because is a conjunction".substring(31,54))

27
solutions/day-02/level3.js
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let love = "Love is the best thing in this world. Some found their love and some are still looking for their love"
console.log(love.match(/love/gi).length)
let because = "You cannot end a sentence with because because because is a conjunction"
console.log(because.match(/because/gi).length)
const sentence = '%I $am@% a %tea@cher%, &and& I lo%#ve %te@a@ching%;. The@re $is no@th@ing; &as& mo@re rewarding as educa@ting &and& @emp%o@weri@ng peo@ple. ;I found tea@ching m%o@re interesting tha@n any ot#her %jo@bs. %Do@es thi%s mo@tiv#ate yo@u to be a tea@cher!? %Th#is 30#Days&OfJavaScript &is al@so $the $resu@lt of &love& of tea&ching\n'
clean_sentence = sentence.replace(/\$|%|@|&|#|;/g, "")
console.log(clean_sentence)
let text = "He earns 5000 euro from salary per month, 10000 euro annual bonus, 15000 euro online courses per month."
let regex = /\d+/g;
let matches = text.match(regex)
let totalIncome = 0;
for (let i = 0; i < matches.length; i++) {
totalIncome += parseInt(matches[i]);
}
totalIncome *= 12;
console.log('Total Annual Income:', totalIncome, 'euro');
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