Download Button Animation
Download Button Animation

Hy Guys, In this tutorial we are going to create a cool download button animation. The Download Button will show the Animation Downloading Progress.

Table of Contents

Download Button Animation

For creating this download button animation we will need to create three files called index.html, style.css, and script.js. Let’s start with our first file index.html.

index.html

<!DOCTYPE html>
<head>
  <title>Download Button Animation</title>
  <link rel="stylesheet" href="style.css">   
</head>
<body>
  <div class="container"> 
      <a href="" class="button dark">
         <ul>
            <li>&#68;ownload</li>
            <li>&#68;ownloading</li>
            <li>Open File</li>
         </ul>
         <div>
            <svg viewBox="0 0 24 24"></svg>
         </div>
      </a>
   </div>
  <script type="text/javascript" src="script.js"></script>
</body>
</html>


In the head element, we had defined the title of the page as “Download Button Animation” and after that, we have linked our style.css file using link tag.

In the body element, we have created a parent div class name as “container” it will hold the all design and structure of our design. After that we have created a link using anchor <a> tag, Two class names are given to this link “button” and “dark”. We will use both in a different way.

<div class="container"> 
      <a href="" class="button dark">

      </a>
</div>


In the anchor tag, we have created an unordered list and defined three list items, as you can see in the below image.

<ul>
    <li>&#68;ownload</li>
    <li>&#68;ownloading</li>
    <li>Open File</li>
</ul>


after the unordered list, we have created an SVG inside a div. The SVG will be used to show the download progress.

<div>
    <svg viewBox="0 0 24 24"></svg>
</div>

our index.html work is done! Let’s create the styles for our HTML file in style.css.

style.css

.button.dark {
  --background: #242836;
  --rectangle: #1C212E;
  --arrow: #F5F9FF;
  --text: #F5F9FF;
  --success: #2F3545;
}

.button {
  --background: #275efe;
  --rectangle: #184fee;
  --success: #4672f1;
  --text: #fff;
  --arrow: #fff;
  --checkmark: #fff;
  --shadow: rgba(10, 22, 50, .24);
  display: flex;
  overflow: hidden;
  text-decoration: none;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  background: var(--background);
  border-radius: 8px;
  box-shadow: 0 2px 8px -1px var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.button:active {
  transform: scale(0.95);
  box-shadow: 0 1px 4px -1px var(--shadow);
}
.button ul {
  margin: 0;
  padding: 16px 40px;
  list-style: none;
  text-align: center;
  position: relative;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  font-size: 16px;
  font-weight: 500;
  line-height: 28px;
  color: var(--text);
}
.button ul li:not(:first-child) {
  top: 16px;
  left: 0;
  right: 0;
  position: absolute;
}
.button ul li:nth-child(2) {
  top: 76px;
}
.button ul li:nth-child(3) {
  top: 136px;
}
.button > div {
  position: relative;
  width: 60px;
  height: 60px;
  background: var(--rectangle);
}
.button > div:before, .button > div:after {
  content: "";
  display: block;
  position: absolute;
}
.button > div:before {
  border-radius: 1px;
  width: 2px;
  top: 50%;
  left: 50%;
  height: 17px;
  margin: -9px 0 0 -1px;
  background: var(--arrow);
}
.button > div:after {
  width: 60px;
  height: 60px;
  transform-origin: 50% 0;
  border-radius: 0 0 80% 80%;
  background: var(--success);
  top: 0;
  left: 0;
  transform: scaleY(0);
}
.button > div svg {
  display: block;
  position: absolute;
  width: 20px;
  height: 20px;
  left: 50%;
  top: 50%;
  margin: -9px 0 0 -10px;
  fill: none;
  z-index: 1;
  stroke-width: 2px;
  stroke: var(--arrow);
  stroke-linecap: round;
  stroke-linejoin: round;
}
.button.loading ul {
  -webkit-animation: text calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
          animation: text calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div:before {
  -webkit-animation: line calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
          animation: line calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div:after {
  -webkit-animation: background calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
          animation: background calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div svg {
  -webkit-animation: svg calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
          animation: svg calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}

@-webkit-keyframes text {
  10%, 85% {
    transform: translateY(-100%);
  }
  95%, 100% {
    transform: translateY(-200%);
  }
}

@keyframes text {
  10%, 85% {
    transform: translateY(-100%);
  }
  95%, 100% {
    transform: translateY(-200%);
  }
}
@-webkit-keyframes line {
  5%, 10% {
    transform: translateY(-30px);
  }
  40% {
    transform: translateY(-20px);
  }
  65% {
    transform: translateY(0);
  }
  75%, 100% {
    transform: translateY(30px);
  }
}
@keyframes line {
  5%, 10% {
    transform: translateY(-30px);
  }
  40% {
    transform: translateY(-20px);
  }
  65% {
    transform: translateY(0);
  }
  75%, 100% {
    transform: translateY(30px);
  }
}
@-webkit-keyframes svg {
  0%, 20% {
    stroke-dasharray: 0;
    stroke-dashoffset: 0;
  }
  21%, 89% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 26px;
    stroke-width: 3px;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
  }
  100% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 0;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
  }
  12% {
    opacity: 1;
  }
  20%, 89% {
    opacity: 0;
  }
  90%, 100% {
    opacity: 1;
  }
}
@keyframes svg {
  0%, 20% {
    stroke-dasharray: 0;
    stroke-dashoffset: 0;
  }
  21%, 89% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 26px;
    stroke-width: 3px;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
  }
  100% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 0;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
  }
  12% {
    opacity: 1;
  }
  20%, 89% {
    opacity: 0;
  }
  90%, 100% {
    opacity: 1;
  }
}
@-webkit-keyframes background {
  10% {
    transform: scaleY(0);
  }
  40% {
    transform: scaleY(0.15);
  }
  65% {
    transform: scaleY(0.5);
    border-radius: 0 0 50% 50%;
  }
  75% {
    border-radius: 0 0 50% 50%;
  }
  90%, 100% {
    border-radius: 0;
  }
  75%, 100% {
    transform: scaleY(1);
  }
}
@keyframes background {
  10% {
    transform: scaleY(0);
  }
  40% {
    transform: scaleY(0.15);
  }
  65% {
    transform: scaleY(0.5);
    border-radius: 0 0 50% 50%;
  }
  75% {
    border-radius: 0 0 50% 50%;
  }
  90%, 100% {
    border-radius: 0;
  }
  75%, 100% {
    transform: scaleY(1);
  }
}
html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: inherit;
}
*:before, *:after {
  box-sizing: inherit;
}

body {
  min-height: 100vh;
  display: flex;
  font-family: "Roboto", Arial;
  justify-content: center;
  align-items: center;
  background: #FFFFFF;
}
body .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
body .container > div {
  flex-basis: 100%;
  width: 0;
}
body .container .button {
  margin: 16px;
}
@media (max-width: 400px) {
  body .container .button {
    margin: 12px;
  }
}


Our style.css file is too big to explain, so we will explain only the important topics of our file.

.button.dark {
  --background: #242836;
  --rectangle: #1C212E;
  --arrow: #F5F9FF;
  --text: #F5F9FF;
  --success: #2F3545;
}

here we have created some variables,
–background: #242836; is used to give the background color for download text.

–rectangle: #1C212E; is used to give the background color for SVG.

–arrow: #F5F9FF; is used to give the color for the SVG arrow.

–text: #F5F9FF; is used to give the text colors of unordered list items.

–success: #2F3545; is used to give the slide-down animation color like light gray.

Let’s look at our script.js file.

script.js

document.querySelectorAll('.button').forEach(button => {

    let duration = 3000,
        svg = button.querySelector('svg'),
        svgPath = new Proxy({
            y: null,
            smoothing: null
        }, {
            set(target, key, value) {
                target[key] = value;
                if(target.y !== null && target.smoothing !== null) {
                    svg.innerHTML = getPath(target.y, target.smoothing, null);
                }
                return true;
            },
            get(target, key) {
                return target[key];
            }
        });

    button.style.setProperty('--duration', duration);

    svgPath.y = 20;
    svgPath.smoothing = 0;

    button.addEventListener('click', e => {
        
        e.preventDefault();

        if(!button.classList.contains('loading')) {

            button.classList.add('loading');

            gsap.to(svgPath, {
                smoothing: .3,
                duration: duration * .065 / 1000
            });

            gsap.to(svgPath, {
                y: 12,
                duration: duration * .265 / 1000,
                delay: duration * .065 / 1000,
                ease: Elastic.easeOut.config(1.12, .4)
            });

            setTimeout(() => {
                svg.innerHTML = getPath(0, 0, [
                    [3, 14],
                    [8, 19],
                    [21, 6]
                ]);
            }, duration / 2);

        }

    });

});

function getPoint(point, i, a, smoothing) {
    let cp = (current, previous, next, reverse) => {
            let p = previous || current,
                n = next || current,
                o = {
                    length: Math.sqrt(Math.pow(n[0] - p[0], 2) + Math.pow(n[1] - p[1], 2)),
                    angle: Math.atan2(n[1] - p[1], n[0] - p[0])
                },
                angle = o.angle + (reverse ? Math.PI : 0),
                length = o.length * smoothing;
            return [current[0] + Math.cos(angle) * length, current[1] + Math.sin(angle) * length];
        },
        cps = cp(a[i - 1], a[i - 2], point, false),
        cpe = cp(point, a[i - 1], a[i + 1], true);
    return `C ${cps[0]},${cps[1]} ${cpe[0]},${cpe[1]} ${point[0]},${point[1]}`;
}

function getPath(update, smoothing, pointsNew) {
    let points = pointsNew ? pointsNew : [
            [4, 12],
            [12, update],
            [20, 12]
        ],
        d = points.reduce((acc, point, i, a) => i === 0 ? `M ${point[0]},${point[1]}` : `${acc} ${getPoint(point, i, a, smoothing)}`, '');
    return `<path d="${d}" />`;
}

If you are having any issues with this code then you can visit our GitHub account for code. Click Here!

Thank You for reading

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