CanvasLoader is a jQuery plugin that uses the Html5 canvas element to create an animated (preloader) with an overlay appended to the Html element.

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Single Element Pure CSS Spinners & Loaders | loaderskit

How to make use of it:

1. Include the necessary jQuery CanvasLoader javascript.

<script type="text/javascript" src="heartcode-canvasloader.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

2. Include the jQuery canvasLoader plugin after the jQuery library.

<script src="index.js"></script>

3. Configure the plugin to append a loader to a DIV element.

jQuery(function ($) {
"use strict";
var element = $('<div></div>').css({
width: 500,
height: 500,
border: '3px dashed green'
}).appendTo('body');

/**
 * Initial display canvas loader
 */
element.canvasLoader({
color: '#ff0000'
});

/**
 * Remove canvas loader on the origin instance
 */
element.canvasLoader(false);

/**
 * Reactivate canvas loader on the origin instance
 */
element.canvasLoader(true);

/**
 * Remove canvas loader by event if the origin instance is not available
 */
$(element).trigger('stop.canvasLoader');

/**
 * Manipulate options of current canvas loader instance
 */
element.canvasLoader.options.color='#008000';

/**
 * Reactivate canvas loader by event if the origin instance is not available
 */
$(element).trigger('start.canvasLoader');

/**
 * Manipulate default options
 */
$.fn.canvasLoader.options.color = '#0000ff';

/**
 * Get current version.
 * @type {string}
 */
var version = $.fn.canvasLoader.version;

});

4. Available options.

//  enable the loader during initialization
start: true,

// oval, square, rect(rectangle), roundRect(rounded rectangle) and spiral
shape: 'spiral', 

// Sets hexadecimal color of the loader
color: '#000', 

// Sets the diameter of the loader
diameter: 70, 

// Sets the number of shapes drawn on the loader canvas
density: 70, 

// Sets the amount of the modified shapes in percent.
range: 0.7, 

// Sets the speed of the loader animation.
speed: 2, 

// Sets the rendering frequency.
fps: 24 

Draw and Animate PreLoaders, jQuery.CanvasLoader Plugin/Github

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Official Website(orianda): Click Here

This superior jQuery/javascript plugin is developed by orianda. For extra Advanced usage, please go to the official website.