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Spinning Loader Using HTML and CSS

Introduction:

The spinning loader is a common UI element used to indicate to users that content is loading or processing. It typically consists of a circular animation that continuously rotates. In this project, we have created a simple spinning loader using HTML and CSS.

Spinning loaders, also known as spinners, are essential UI elements used to inform users that content on a webpage is loading or processing. They serve as visual cues, indicating that the application is actively working on a task and that the user should wait patiently. These loaders come in various shapes and styles, but the circular spinner is one of the most common and recognizable types.

Explanation:

Structure:

  • The HTML structure consists of a wrapper <div> containing the loader <div>.
  • The CSS styles the loader and its container, positioning it in the center of the page and creating the spinning animation.

Spinning Loaders:

Spinning loaders, also known as spinners, are essential UI elements used to inform users that content on a webpage is loading or processing. They serve as visual cues, indicating that the application is actively working on a task and that the user should wait patiently. These loaders come in various shapes and styles, but the circular spinner is one of the most common and recognizable types.

CSS Animations:

CSS animations are a powerful tool for creating dynamic and interactive effects on webpages without the need for JavaScript. They allow developers to animate the properties of HTML elements over time, providing smooth transitions and engaging visual feedback to users.

Keyframes:

Keyframes are the foundation of CSS animations. They define the specific stages of an animation, allowing developers to control how an element changes over time. Keyframes specify the styles that an element should have at various points during the animation sequence.

Transform Property:

The transform property in CSS enables developers to apply various transformations to elements, such as rotation, scaling, skewing, and translating (moving) them within the document. In the spinning loader project, the transform property is used to rotate the loader element, creating the spinning animation effect.

Animation Property:

The animation property in CSS is used to apply animations to elements. It specifies the name of the animation, its duration, timing function, delay, and other parameters. By defining animations using the @keyframes rule and applying them with the animation property, developers can create visually appealing effects like the spinning loader.

SOURCE CODE :

HTML (index.html)

				
					<!DOCTYPE html>
<html lang="en">

<head>
  <title>Spinning Loader</title>
  <link rel="stylesheet" href="styles.css" />
</head>

<body>
  <div class="loader-wrapper">
    <div class="loader"></div>
  </div> <script data-no-optimize="1">!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).LazyLoad=e()}(this,function(){"use strict";function e(){return(e=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n,a=arguments[e];for(n in a)Object.prototype.hasOwnProperty.call(a,n)&&(t[n]=a[n])}return t}).apply(this,arguments)}function i(t){return e({},it,t)}function o(t,e){var n,a="LazyLoad::Initialized",i=new t(e);try{n=new CustomEvent(a,{detail:{instance:i}})}catch(t){(n=document.createEvent("CustomEvent")).initCustomEvent(a,!1,!1,{instance:i})}window.dispatchEvent(n)}function l(t,e){return t.getAttribute(gt+e)}function c(t){return l(t,bt)}function s(t,e){return function(t,e,n){e=gt+e;null!==n?t.setAttribute(e,n):t.removeAttribute(e)}(t,bt,e)}function r(t){return s(t,null),0}function u(t){return null===c(t)}function d(t){return c(t)===vt}function f(t,e,n,a){t&&(void 0===a?void 0===n?t(e):t(e,n):t(e,n,a))}function _(t,e){nt?t.classList.add(e):t.className+=(t.className?" 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</html>
				
			

CSS (style.css)​

				
					.loader-wrapper {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
}

.loader {
  width: 100%;
  height: 100%;
  border: 10px solid #ccc;
  border-radius: 50%;
  border-top-color: #3498db;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}
				
			

OUTPUT :

output

Demo Output :