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Below is the html code for this video.
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fireworks Typing Effect</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<input type="text" id="textField" autocomplete="off" placeholder="Type Something..." spellcheck="false">
<script src="index.js"></script>
</body>
</html>Below is the css code for this video.
style.css
* {
margin: 0;
padding: 0;
box-sizing: border-box;
border: none;
}
:root {
font-size: calc(20px + (60 - 20) * (100vw - 320px) / (1280 - 320));
}
body, input {
color: #eef9ff;
font: 1em/1.5 monospace;
}
body {
display: grid;
height: 100vh;
width: 100%;
background: #003153;
place-items: center;
}
input {
width: 24ch;
background: transparent;
box-shadow: 0 -1px 0 #eef9ff40 inset;
transition: box-shadow 0.51s linear;
appearance: none;
}
input:focus {
box-shadow: 0 -1px 0 #eef9ff inset;
outline: none;
}
input::placeholder {
color: #eef9ff40;
}
.particle {
position: fixed;
height: 1.5ch;
width: 1.5ch;
border-radius: 50%;
pointer-events: none;
}
.particles-ring {
box-shadow: 0 0 0 0.125em inset;
}Below is the javascript code for this video.
index.js
window.addEventListener("DOMContentLoaded", () => new FireworkTyping("#textField"));
class FireworkTyping {
particles = 24;
value = "";
constructor(qs) {
this.input = document.querySelector(qs);
this.input?.addEventListener("input", this.fireworks.bind(this));
}
fireworks() {
const { selectionStart, value } = this.input;
const { top, left, height } = this.input.getBoundingClientRect();
const charDifference = value.length - this.value.length;
const charDifferenceAbs = Math.abs(charDifference);
let currentPosition = selectionStart || 0;
if (charDifference < 0) currentPosition += charDifferenceAbs;
for (let i = 0; i < charDifferenceAbs; ++i) {
const hue = Utils.random(0, 359, true);
for (let j = 0; j < this.particles; ++j) {
const el = document.createElement("div");
const color = `hsl(${hue}, 90%, 50%)`;
const x = `calc(${left}px + ${(currentPosition <= 24 ? currentPosition : 24) - i - 0.5}ch)`;
const y = `${top + height / 2}px`;
const angle = Utils.random(0, 359, true);
const isRing = j === 0;
const d = isRing ? Utils.random(3, 5) : Utils.random(2, 4);
el.classList.add("particle");
if (isRing) {
el.classList.add("particles-ring");
el.style.color = color;
el.style.height = `${d}em`;
el.style.width = `${d}em`;
} else { el.style.backgroundColor = color; }
el.style.top = y;
el.style.left = x;
document.body.appendChild(el);
const center = "translate(-50%, -50%)";
const ringKeyFrames = [
{ opacity: 1, transform: `${center} scale(0)` },
{ opacity: 0, transform: `${center} scale(1)` }
];
const particleKeyFrames = [
{ transform: `${center} rotate(${angle}deg) translateY(0) scale(1)` },
{ transform: `${center} rotate(${angle}deg) translateY(${d}em) scale(0)` }
];
const movement = el.animate(isRing ? ringKeyFrames : particleKeyFrames, {
duration: isRing ? 600 : 960, easing: "cubic-bezier(0, 0, 0.15, 1)"
});
movement.onfinish = () => el.remove();
}
}
this.value = value;
}
}
class Utils {
static random(min, max, round = false) {
const percent = crypto.getRandomValues(new Uint32Array(1))[0] / 2 ** 32;
const relativeValue = (max - min) * percent;
return (min + (round === true ? Math.round(relativeValue) : +relativeValue.toFixed(2)));
}
}Thanks for visiting