Password Generator

HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css" integrity="sha512-1PKOgIY59xJ8Co8+NE6FZ+LOAZKjy+KY8iq0G4B3CyeY6wYHN3yt9PW0XpSriVlkMXe40PTKnXrLnZ9+fkDaog==" crossorigin="anonymous" /> <link rel="stylesheet" href="style.css" /> <title>Password Generator</title> </head> <body> <div class="container"> <h2>Password Generator</h2> <div class="result-container"> <span id="result"></span> <button class="btn" id="clipboard"> <i class="far fa-clipboard"></i> </button> </div> <div class="settings"> <div class="setting"> <label>Password Length</label> <input type="number" id="length" min="4" max="20" value="20"> </div> <div class="setting"> <label>Include uppercase letters</label> <input type="checkbox" id="uppercase" checked> </div> <div class="setting"> <label>Include lowercase letters</label> <input type="checkbox" id="lowercase" checked> </div> <div class="setting"> <label>Include numbers</label> <input type="checkbox" id="numbers" checked> </div> <div class="setting"> <label>Include symbols</label> <input type="checkbox" id="symbols" checked> </div> </div> <button class="btn btn-large" id="generate"> Generate Password </button> </div> <script src="script.js"></script> </body> </html>
CSS
@import url('https://fonts.googleapis.com/css?family=Muli&display=swap'); * { box-sizing: border-box; } body { background-color: #3b3b98; color: #fff; font-family: 'Muli', sans-serif; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; overflow: hidden; padding: 10px; margin: 0; } h2 { margin: 10px 0 20px; text-align: center; } .container { background-color: #23235b; box-shadow: 0px 2px 10px rgba(255, 255, 255, 0.2); padding: 20px; width: 350px; max-width: 100%; } .result-container { background-color: rgba(0, 0, 0, 0.4); display: flex; justify-content: flex-start; align-items: center; position: relative; font-size: 18px; letter-spacing: 1px; padding: 12px 10px; height: 50px; width: 100%; } .result-container #result { word-wrap: break-word; max-width: calc(100% - 40px); overflow-y: scroll; height: 100%; } #result::-webkit-scrollbar { width: 1rem; } .result-container .btn { position: absolute; top: 5px; right: 5px; width: 40px; height: 40px; font-size: 20px; } .btn { border: none; background-color: #3b3b98; color: #fff; font-size: 16px; padding: 8px 12px; cursor: pointer; } .btn-large { display: block; width: 100%; } .setting { display: flex; justify-content: space-between; align-items: center; margin: 15px 0; }
JAVASCRIPT
const resultEl = document.getElementById('result') const lengthEl = document.getElementById('length') const uppercaseEl = document.getElementById('uppercase') const lowercaseEl = document.getElementById('lowercase') const numbersEl = document.getElementById('numbers') const symbolsEl = document.getElementById('symbols') const generateEl = document.getElementById('generate') const clipboardEl = document.getElementById('clipboard') const randomFunc = { lower: getRandomLower, upper: getRandomUpper, number: getRandomNumber, symbol: getRandomSymbol } clipboardEl.addEventListener('click', () => { const password = resultEl.innerText; if (!password) { return; } navigator.clipboard.writeText(password); alert('Password copied to clipboard!') }) generateEl.addEventListener('click', () => { const length = +lengthEl.value const hasLower = lowercaseEl.checked const hasUpper = uppercaseEl.checked const hasNumber = numbersEl.checked const hasSymbol = symbolsEl.checked resultEl.innerText = generatePassword(hasLower, hasUpper, hasNumber, hasSymbol, length) }) function generatePassword(lower, upper, number, symbol, length) { let generatedPassword = '' const typesCount = lower + upper + number + symbol const typesArr = [{lower}, {upper}, {number}, {symbol}].filter(item => Object.values(item)[0]) if(typesCount === 0) { return '' } for(let i = 0; i < length; i += typesCount) { typesArr.forEach(type => { const funcName = Object.keys(type)[0] generatedPassword += randomFunc[funcName]() }) } const finalPassword = generatedPassword.slice(0, length) return finalPassword } function getRandomLower() { return String.fromCharCode(Math.floor(Math.random() * 26) + 97) } function getRandomUpper() { return String.fromCharCode(Math.floor(Math.random() * 26) + 65) } function getRandomNumber() { return String.fromCharCode(Math.floor(Math.random() * 10) + 48) } function getRandomSymbol() { const symbols = '!@#$%^&*(){}[]=<>/,.' return symbols[Math.floor(Math.random() * symbols.length)] }
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