Dominant Colors for Lazy-Loading Images. Pinterest, Google Images and lots of image-heavy sites lazy-load their content.
They also calculate the dominant color of each image to use as a placeholder. This post presents a few methods to do the same and helps you understand the GIF file format to make the most of data URIs. The basic concept is to use a tiny blank.gif as src attribute and replace it with the correct image after the page has fully loaded. The blank.gif can also be set as a Base64-encoded Data URI to save a request. Pinterest then sets the style of the wrapper to background: #1e1f20; and shows the image with opacity: 1; when it has loaded. Finding the Dominant Color of an Image Finding the dominant colors of an image requires clustering of points in three-dimensional space. You are of course free to compare the results of even more sophisticated algorithms and choose the one that is to your liking, but If you want a simpler solution the color quantization of GraphicsMagick or ImageMagick is usually sufficient.
Node.js. Saabi/vminpoly. How to create a counter using jQuery. Justified Gallery. This is a JQuery plugin that allows you to create an high quality justified gallery of images.
A common problem, for people who create sites, is to create an elegant image gallery that manages the various sizes of thumbnails. Flickr and Google+ manage this situation in an excellent way, the purpose of this plugin is to give you the power of those solutions, with a new professional and open source plugin. Install. How to build a Flickr Justified View like using jQuery? Flickr ‘Justified’ Layout in JQuery – Wackylabs.net. Update: I’ve done a updated version, with scrolling, and various input boxes for changing the tags to search for here: Enjoy.
Someone posted recently on Stackoverflow asking how the new Flickr Justified photo pages had been created. i.e. how to create multiple rows of evenly spaced images without cropping the images to fit. It was something I had been wondering about for a while, so I did a bit of investigation. A similar question had been answered to do with the Google+ photo page, but that uses cropped thumbnails to create the effect, something I thought it would be better to avoid.
I personally love how capable they prove to be at maximizing the efficiency of galleries containing items with varying heights. Every bit of screen space is used and the result can be downright mesmerizing. Today we’re going to dive into the concept, ideas and popular techniques that are currently prevalent in masonry style layouts. We’ll learn three different methods for pulling off a masonry layout, discuss the ins and outs of each and make sure that the result is beautifully responsive and reflows based on browser width. jQuery:Menu fijo con scroll y detector de ubicación - Miguel Manchego. Últimamente he visto que esta de moda hacer sitios web de una sola página con navegación vertical aprovechando de poner un scroll, con un menu fijo en la parte superior o a un costado y además que se marque automáticamente en el menu mi posición actual.
Scrolling up with jquery waypoints. Sticky Navigation, Without the Awkward Jump. “Sticky navigation” describes a navigation bar which appears to stick to the top of the page once a user starts scrolling.
Simple toggleClass problem - jQuery Forum. Easiest parallax in the world - Valdelama. Almost no CSS and a couple of lines of Jquery are all you need for this extremely simple parallax demo.
This is not really something I would recommend to use on a production site but it's a very good way to start to understand how you can write your own parallax. Warning: the demo is very basic and that's on purpose, the idea here is to really understand exactly what's going on so I have kept the code to an absolute minimum. This means that looking through the source code shouldn't be confusing for anyone. With the warning over check out the demo. In the demo the black and white Pulp Fiction poster moves upwards at half the speed at which you scroll.
5 jQuery.each() Function Examples. OK, this is quite an extensive overview of the jQuery .each() function.
This is one of jQuery’s most important and most used functions so that’s the reason why I’ve chosen to go into such detail about it and really get down and dirty about how to use it to it’s full useful potential! Firstly, what is jQuery .each() Basically, the jQuery .each() function is used to loop through each element of the target jQuery object. Very useful for multi element DOM manipulation, looping arrays and object properties. jQuery .each() Syntax. Css selectors - JQuery - One handler for multiple elements using variables. 5 Tips for More Efficient jQuery Selectors. As the name implies, jQuery focuses on queries. The core of the library allows you to find DOM elements using CSS selector syntax and run methods on that collection. jQuery uses native browser API methods to retrieve DOM collections.
Newer browsers support getElementsByClassName, querySelector and querySelectorAll which parses CSS syntax. However, older browsers only offer getElementById and getElementByTagName. In the worst scenarios, jQuery’s Sizzle engine must parse the selector string and hunt for matching elements. JQuery Cycle Plugin. Check out Cycle2, the latest in the Cycle line of slideshows. The jQuery Cycle Plugin is a slideshow plugin that supports many different types of transition effects. It supports pause-on-hover, auto-stop, auto-fit, before/after callbacks, click triggers and much more. It also supports, but does not require, the Easing Plugin. The plugin provides a method called cycle which is invoked on a container element. Each child element of the container becomes a "slide". Images are used in these demos because they look cool, but slideshows are not limited to images.
Update 14/10/13: Full code for all 5 demos added to GitHub. Infinite Scrolling Demo 1 This demo uses the jQuery Masonry plugin together with the Infinite Scroll plugin. Usage – HTML. jQuery MapHighlight for Image Maps. Description: Mouse over the diamond shaped image map below. Hotspot regions are highlighted by jQuery's MapHighlight plugin (no additional images required). Method: Download the MapHighlight.js file from GitHub and save it to your local site folder.
Saabi/vminpoly. Creating a “Filterable” Portfolio with jQuery.