We recently added a new feature to dailystrength.org, and there was much debate about whether users would use it as we intended. To find out, I wrote a clicktrack ditty that sends some data to the server when a link is clicked. It was somewhat inspired by a post I wrote a while ago about […]
My friend Matt Henry and I are going to try to get a Javascript users group started in Durham so we can meet other users (and probably do a bit of jQuery evangelizing). If you’re interested, visit the Triangle Javascript Users Group page, and join us at the Federal in downtown Durham on May 6.
Just a note to self: Quick Tip - Optimizing DOM Traversal. Avoid bare classname selectors like $(’.foo’) when possible; qualify them with an element type or, ideally, the ID of a parent element: $(’div.foo’) or $(’#bar .foo’).
I used to work in newspapers, and we were diligent about fixing “bad breaks” in headlines. Nothing looks worse than a headline that’s far longer on one line than on another. Desktop publishing software has some intelligence about these bad breaks, but the web, not so much. A little jQuery can clean up the bad […]
I’ve written several versions of this functionality, and each time I revisit it, it gets simpler and I feel silly for how complicated I made it before. The thing to remember when you’re working with jQuery is to always leverage the DOM. Christian Montoya has a good writeup about how he came to the same […]
Sometimes, you may want to know what outbound links a user is clicking on — say, if you’re linking to an affiliate’s site and want to be able to count the clicks you’re sending. Google Analytics offers this bit of code to accomplish this:
<a href="http://www.example.com"
onClick="javascript: pageTracker._trackPageview(’/outgoing/example.com’);">
and says:
Google Analytics provides an easy way to track clicks […]
There are lots of examples of using CSS to add filetype icons to links, but they all rely on advanced CSS selectors, which Internet Explorer 6 doesn’t support.
If you’re looking for a cross-browser method of adding filetype icons to links, you have a couple of choices: you can add a class name to all […]
updateWithJSON is a jQuery plugin that updates elements on your page based on key/value pairs in a JSON object. Usage:
$.updateWithJSON(jsonData)
Here’s a demo, and here’s how it works:
iterate over each property/value combination in the JSON object
look for an element in the DOM that matches the property name
first, look for an element with a matching id attribute
if […]
Inspired by this from PHP, I wanted a utility function to determine whether a given element came before or after another element in the DOM.
(function($){
$.order = function($a,$b) {
$a = $a.eq(0);
$b = $b.eq(0);
var c = ‘order-test’;
$a.addClass(c);
[…]
A couple of months ago, a client wanted us to add a survey to one of their microsites to gauge user response. The idea was that if the user clicked a link to a page outside the microsite, then they’d see an in-browser popup window asking them to take a survey. Clicking yes would take […]
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