JSFiddle - React, Tailwind, and code Playground

by MBloging

HTML

<div class="container">
	<h2 class="title">Password Generator</h2>
	<div class="result">
		<div class="result__title field-title">Generated Password</div>
		<div class="result__info right">click to copy</div>
		<div class="result__info left">copied</div>
		<div class="result__viewbox" id="result">CLICK GENERATE</div>
		<button id="copy-btn" style="--x: 0; --y: 0"><i class="far fa-copy"></i></button>
	</div>
	<div class="length range__slider" data-min="4" data-max="32">
		<div class="length__title field-title" data-length='0'>length:</div>
		<input id="slider" type="range" min="4" max="32" value="16" />
	</div>

	<div class="settings">
		<span class="settings__title field-title">settings</span>
		<div class="setting">
			<input type="checkbox" id="uppercase" checked />
			<label for="uppercase">Include Uppercase</label>
		</div>
		<div class="setting">
			<input type="checkbox" id="lowercase" checked />
			<label for="lowercase">Include Lowercase</label>
		</div>
		<div class="setting">
			<input type="checkbox" id="number" checked />
			<label for="number">Include Numbers</label>
		</div>
		<div class="setting">
			<input type="checkbox" id="symbol" />
			<label for="symbol">Include Symbols</label>
		</div>
	</div>

	<button class="btn generate" id="generate">Generate Password</button>
</div>

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(to top, #209cff 100%, #68e0cf 200%);
  display: flex;
  justify-content: center;
  align-items: center;
}

button {
  border: 0;
  outline: 0;
}

.container {
  margin: 40px 0;
  width: 400px;
  height: 600px;
  padding: 10px 25px;
  background: #0a0e31;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.45), 0 4px 8px rgba(0, 0, 0, 0.35), 0 8px 12px rgba(0, 0, 0, 0.15);
  font-family: "Montserrat";
}
.container h2.title {
  font-size: 1.75rem;
  margin: 10px -5px;
  margin-bottom: 30px;
  color: #fff;
}

.result {
  position: relative;
  width: 100%;
  height: 65px;
  overflow: hidden;
}
.result__info {
  position: absolute;
  bottom: 4px;
  color: #fff;
  font-size: 0.8rem;
  transition: all 150ms ease-in-out;
  transform: translateY(200%);
  opacity: 0;
}
.result__info.right {
  right: 8px;
}
.result__info.left {
  left: 8px;
}
.result__viewbox {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: #fff;
  text-align: center;
  line-height: 65px;
}
.result #copy-btn {
  position: absolute;
  top: var(--y);
  left: var(--x);
  width: 38px;
  height: 38px;
  background: #fff;
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
  transition: all 350ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  z-index: 2;
}
.result #copy-btn:active {
  box-shadow: 0 0 0 200px rgba(255, 255, 255, 0.08);
}
.result:hover #copy-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.35);
}

.field-title {
  position: absolute;
  top: -10px;
  left: 8px;
  transform: translateY(-50%);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  font-size: 0.65rem;
  pointer-events: none;
  user-select: none;
}

.options {
  width: 100%;
  height: auto;
  margin: 50px 0;
}

.range__slider {
  position: relative;
 ...

JavaScript

const sliderProps = {
	fill: "#0B1EDF",
	background: "rgba(255, 255, 255, 0.214)",
};

const slider = document.querySelector(".range__slider");

const sliderValue = document.querySelector(".length__title");

slider.querySelector("input").addEventListener("input", event => {
	sliderValue.setAttribute("data-length", event.target.value);
	applyFill(event.target);
});
applyFill(slider.querySelector("input"));
function applyFill(slider) {
	const percentage = (100 * (slider.value - slider.min)) / (slider.max - slider.min);
	const bg = `linear-gradient(90deg, ${sliderProps.fill} ${percentage}%, ${sliderProps.background} ${percentage +
			0.1}%)`;
	slider.style.background = bg;
	sliderValue.setAttribute("data-length", slider.value);
}

const randomFunc = {
	lower: getRandomLower,
	upper: getRandomUpper,
	number: getRandomNumber,
	symbol: getRandomSymbol,
};

function secureMathRandom() {
	return window.crypto.getRandomValues(new Uint32Array(1))[0] / (Math.pow(2, 32) - 1);
}

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(secureMathRandom() * 10) + 48);
}
function getRandomSymbol() {
	const symbols = '~!@#$%^&*()_+{}":?><;.,';
	return symbols[Math.floor(Math.random() * symbols.length)];
}

const resultEl = document.getElementById("result");
const lengthEl = document.getElementById("slider");
const uppercaseEl = document.getElementById("uppercase");
const lowercaseEl = document.getElementById("lowercase");
const numberEl = document.getElementById("number");
const symbolEl = document.getElementById("symbol");
const generateBtn = document.getElementById("generate");
const copyBtn = document.getElementById("copy-btn");
const resultContainer = document.querySelector(".result");
const copyInfo = document.querySelector(".result__info.right");
const copiedInfo =...