» A lazy loading and multi-serving image script «

Download bLazy v 1.8.2
2016.10.25 - LESS THAN 1.6KB
var bLazy = new Blazy({
    // options

What is bLazy? bLazy is a lightweight lazy loading image script (less than 1.2KB minified and gzipped). It lets you lazy load and multi-serve your images so you can save bandwidth and server requests. The user will have faster load times and save data loaded if he/she doesn't browse the whole page.
For a full list of options, functions and examples go to the blog post: http://dinbror.dk/blog/blazy.

The following example is a lazy loading multi-serving responsive images example with a image callback :) If your device width is smaller than 420 px it'll serve a lighter and smaller version of the image. When an image has loaded it removes the loader in the callback.


    <img class="b-lazy"
	 alt="Image description" />

    var bLazy = new Blazy({
        breakpoints: [{
	    width: 420 // Max-width
          , src: 'data-src-small'
      , success: function(element){
		// We want to remove the loader gif now.
		// First we find the parent container
		// then we remove the "loading" class which holds the loader image
		var parent = element.parentNode;
		parent.className = parent.className.replace(/\bloading\b/,'');
	    }, 200);
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