Animated Website Background with HTML5

Animated Website Background with HTML5
Code Snippet:Canvas Animation
Author: Asadabbas
Published: January 10, 2024
Last Updated: January 22, 2024
Downloads: 5,778
License: MIT
Edit Code online: View on CodePen
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This lightweight JavaScript code snippet helps you to create an animated background for website with HTML5 canvas. It uses requestAnimationFrame function to generate random bubbles with bounce animation to make an attractive background.

How to Create Animated Website Background with HTML5

1. First of all, create the HTML structure as follows:

 <div class="container py-5 text-white">
 <div class="row justify-content-center text-center">
  <div class="col-12">
   <h1 class="pb-3 h5">Number counter animation <br> in pure JavaScript <br> (requestAnimationFrame) </h1>
  </div>
  <div class="col-md-3">
   <span id="count1" class="display-4"></span>
  </div>
  <div class="col-md-3">
   <span id="count2" class="display-4"></span>
  </div>
  <div class="col-md-3">
   <span id="count3" class="display-4"></span>
  </div>
  <div class="col-md-3">
   <span id="count4" class="display-4"></span>
  </div>
 </div>
</div>

2. After that, add the following CSS styles to your project:

/* I'm too lazy to write CSS 🐌 ... other than that Bootstrap has nothing to do with this example.  */
body {
 background-color: #000;
}

main{
   background: #8E2DE2;  /* fallback for old browsers */
   background: -webkit-linear-gradient(to right, #4A00E0, #8E2DE2);  /* Chrome 10-25, Safari 5.1-6 */
   background: linear-gradient(to right, #4A00E0, #8E2DE2); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

3. Finally, add the following JavaScript code and done.

//#region - start of - number counter animation
const counterAnim = (qSelector, start = 0, end, duration = 1000) => {
 const target = document.querySelector(qSelector);
 let startTimestamp = null;
 const step = (timestamp) => {
  if (!startTimestamp) startTimestamp = timestamp;
  const progress = Math.min((timestamp - startTimestamp) / duration, 1);
  target.innerText = Math.floor(progress * (end - start) + start);
  if (progress < 1) {
   window.requestAnimationFrame(step);
  }
 };
 window.requestAnimationFrame(step);
};
//#endregion - end of - number counter animation

document.addEventListener("DOMContentLoaded", () => {
 counterAnim("#count1", 10, 300, 1000);
 counterAnim("#count2", 5000, 250, 1500);
 counterAnim("#count3", -1000, -150, 2000);
 counterAnim("#count4", 500, -100, 2500);
});

That’s all! hopefully, you have successfully integrated this animated website background code snippet into your project. If you have any questions or facing any issues, feel free to comment below.

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