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jQuery & Modal Windows for Ecommerce Design

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8 minute read

As a consumer zeroes in on the product she wants to buy, she’ll look for more specific product details, reviews, and images. She wants to put distractions aside and make a good buying decision.

When you are designing or developing a user experience for these sorts of buying situations, it may be helpful to use a modal window to focus the shopper’s attention on a product image or particular step in the checkout process.

What Are Modal Windows?

In user interface design, a modal window, which is sometimes called a modal dialog box, changes how the user can interact with the web page—effectively changing modes—and interrupting the regular page or work flow.  Modal windows focus all of the users attention on a single, often new, section of the page while typically hiding or “graying” out the rest of the page content.

In more technical terms, a modal window is a child element that usurps control of and interaction with the parent element (window) until the user takes some action or closes the modal window.

For example, the image below shows a product detail page on Macy’s website. Notice the “Larger image” button below the product photograph.

Screen capture show a Macy's product detail page, with larger image button.

Selecting the “Larger image” button opens a modal window and shows the shopper a higher resolution version of the product photograph. When the modal window is open the parent element (essentially the rest of the HTML document) is not emphasized, in fact, it is almost “bleached out.” Before the shopper can continue, she must interact with the modal window.

Screen capture shows a modal window on Macy's website

Why Use a Modal Window?

Modal windows are useful (1) when a shopper wants to focus on a particular item or detail, like in the Macy’s example above or (2) when the site designer needs a shopper to focus on a particular item or detail, like during the checkout process.

By way of comparison, if a designer chooses to use a new browser window or pop-up to display the product image, the user could ignore it and continue interacting with the parent element or window.

Modal windows are also not subject to pop-up blockers, which, depending on browser settings, might have prevented a new browser window from opening.

Modal windows also allow for better branding and style control than opening a new browser window, which will have at least some of the browser’s header.

More Examples of Modal Windows

To give you a better idea of how online retailers are using modal windows, let’s take a look at several examples.

LLBean’s product detail pages offer shoppers a “Quick View” of product specifics.

Screen capture of the LLBean website showing a quick view link

Selecting the “Quick View” option opens a modal window with a larger product image, a bulleted list of key product features, color choices, and an “Add to Bag” button.

Screen capture of a modal window on the LLBean website

Backcountry uses a modal window to offer larger product images, in a fashion similar to how Macy’s managed larger product photographs.

Screen capture of a modal window from the Backcountry website

Orvis uses a nearly identical approach for showing off larger product images on its website. But Orvis, which in the example below has four product images, includes a next or previous button so that shoppers can page through the pictures without leaving the modal window.

Screen capture of a modal window from the Orvis website, show four possible images and a previous link

Sky Sectionals, one of the Internet’s leading purveyors of aviation chart downloads, uses two modal windows for its checkout process. The first modal window opens to show the shopper what is in his cart.

Screen capture from the Sky Sectionals website with the first phase modal window

Once the shopper selects “Buy Sectional,” a second modal window opens and further “grays out” the parent window.

Screen capture from the Sky Sectionals website with two layered modal windows

Art.com, uses Adobe Flash and a modal window to help shoppers imagine what a particular print might look like hanging on the wall.

Screen capture from the Art.com website showing an in-room view with the product detail page in the background

How to Implement Modal Windows

Modal windows are typically created using JavaScript, which is the primary client-side scripting language for the Internet.

It is, of course, possible to write a JavaScript to open a modal window completely from scratch. For some specialized uses, particularly when file size is a concern, this could be the best approach. But generally, you can build on the foundation of a JavaScript library, like jQuery, and one of several modal window scripts, which have been made available.

Personally, I have used ThickBox 3.1 for several years to create modal windows in my projects. But recently its author, Cody Lindley, has stopped supporting it, rather, encouraging folks to try one of several other excellent modal window scripts.

Here are several modal window solutions that rely on the jQuery JavaScript Library.

ColorBox

ColorBox was created by designer and developer Jack Moore. This modal window script is just 9k, has many built in features and options, and is very attractive. In my opinion, it is best for site designers with some jQuery experience. ColorBox is offered under a free MIT license.

Screen capture of a Colorbox modal window in black

ColorBox can have many different looks.

Screen capture of a ColorBox modal window in white

Shadowbox

Shadowbox is another excellent modal window solution that relies on JavaScript and CSS. In particular, Shadowbox works in all browsers, uses valid HTML markup, and supports text, images, Flash, QuickTime, and Windows Media content. A single developer’s license is $20.

Screen capture of a Shadowbox modal window

Fancybox

Very easy to integrate, the Fancybox modal window solutions even offers a mouse wheel plugin, which allows users to step through several  images. Fancybox is offered under both MIT and GPL licenses.

Screen capture of a Fancybox modal window

jQuery UI Dialog Box

jQuery UI even offers a modal window solution that is typically aimed at including text. This widget has the advantage of working with any of the jQuery UI skins, so if you are already making use of jQuery UI in your site design, you can easily extend the skin (brand) to your modal windows.

Screen capture of a jQuery UI modal window

Whichever solution you select, modal windows are a popular and effective kind of user interface.

This post was contributed by our guest columnist Armando Roggio. Armando is a journalist, web designer, technologist and the site director for Ecommerce Developer.

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Armando Roggiohttp://www.ecommercedeveloper.com
Armando Roggio brings 13 years of Internet and marketing experience to the Get Elastic Blog as a contributing author. In addition, Armando is the Contributing Editor for Practical Ecommerce and Site Director for Ecommerce Developer while serving as a consultant for ecommerce, social media, recycling, agriculture and semiconductor companies in the United States, Europe and China. He has previously held positions as Marketing Communications Strategy Manager for Micron Technology and Regional Manager for the Hearst Corporation.Armando is also a retailer himself for Cowboy Toys & More, All Amercian Mercantile Co. and more. Checkout his personal site at aeroggio.com.
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