One of the innovations of the web is online shopping. It allows us to buy things without ever leaving the comfort of our homes. However, the most basic element of online shopping, the shopping cart, has not evolved much. In this tutorial, we’re going to make an AJAX powered shopping cart using PHP, jQuery, and a few nifty plugins.
build-an-ajax-powered-shopping-cart
The goal of this tutorial is to show you how to build an AJAX powered shopping cart. Nettuts focuses on the AJAX parts.
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Coda is a new web development tool for the Mac – and it’s popular amongst designers and developers. Now, we can have a fancy popup bubble tooltips with jQuery. Remy Sharp from jQueryforDesigners has showed us how to re-create their popup bubble shown when you mouse over the download image. In essence the effect is just a simple combination of effect.
Code style bubble
To create the puff popup bubble effect, we need the following:
- Markup that assumes that JavaScript is disabled. It would be fair to say that the popup would be hidden from the CSS.
- The hidden popup, correctly styled for when we make it appear.
- jQuery to animate the puff effect on mouseover and mouseout.
This effect could be perfected by changing the initial reset (popup.css()) code to read from the trigger element and approximate it’s position. In my example, I’ve hardcoded it because I only have one on the page – but you may want to use this effect several times across your page.
Link: http://jqueryfordesigners.com/coda-popup-bubbles/
jQuery is awesome. Jon Hobbs-Smith has been using it for about a year now The longer he uses it, the more he finds out about it’s inner workings.
He thought some others out there could benefit from all the little tips, tricks and techniques he has learned over the past year. Take a look at the following 25 excellent tips of jQuery, you might learn something from it.
The 25 topics are:
- Load the framework from Google Code
- Use a cheat sheet
- Combine all your scripts and minify them
- Use Firebug’s excellent console logging facilities
- Keep selection operations to a minimum by caching
- Keep DOM manipulation to a minimum
- Wrap everything in a single element when doing any kind of DOM insertion
- Use IDs instead of classes wherever possible
- Give your selectors a context
- Use chaining properly
- Learn to use animate properly
- Learn about event delegation
- Use classes to store state
- Even better, use jQuery’s internal data() method to store state
- Write your own selectors
- Streamline your HTML and modify it once the page has loaded
- Lazy load content for speed and SEO benefits
- Use jQuery’s utility functions
- Use noconflict to rename the jquery object when using other frameworks
- How to tell when images have loaded
- Always use the latest version
- How to check if an element exists
- Add a JS class to your HTML attribute
- Return ‘false’ to prevent default behaviour
- Shorthand for the ready event
Link: Improve your jQuery – 25 excellent tips
Accessible News Slider is a JavaScript plugin built for the jQuery library. The plugin does not use color as a primary indicator of a change in state for the slider. Instead, the “back” and “next” navigation is either visible or hidden. There is also an indicator that communicates the total number of news items.
Accessible News Slider
The JavaScript is only 2 KB packed. The CSS, XHTML and JavaScript were developed specifically to meet the WCAG 1.0, and this will always be the number one priority of the plugin. The ZIP download contains all of the necessary files, including a packed version of jQuery v.1.2.6.
If the user chooses to resize the text via the browser file menu, the slider will flex vertically to accommodate the larger text, and still function. Although the core functionality of the news slider is partially accessible with a keyboard, the “View All” link was added as a catch-all mechanism. Hitting the “Enter” key while focused on the hidden “Skip to News” anchor will mimic the same behavior, since it is assumed the user is tabbing through content.
Link: Accessible News Slider