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Why Learn jQuery?

Next month Aquent Gymnasium will launch a course, jQuery Building Blocks, led by long-time web developer Dave Porter. Are you thinking of learning jQuery? Here's why Dave thinks you should!
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13/03/2014
Matthew T. Grant

“If you are going to be on the web in any way, you are going to run into jQuery and need to know how to use it.“

That’s the perspective of Dave Porter, the instructor behind our upcoming Aquent Gymnasium course, jQuery Building Blocks. Dave has been working with jQuery since it came out and, having worked “in a jQueryless world,” swears he would never go back!

Why jQuery?


In the days before the dawn of jQuery or similar libraries/frameworks (MooTools, script.aculo.us, and Prototype, to name but a few), developers had to work with raw Javascript. There is nothing wrong with doing that, of course, except that, in Dave’s words, “It doesn’t make anything easy.”


For example, when writing raw Javascript, “selecting all of the elements of a certain class on your page can be really annoying if you don’t know some specifics about string matching and finding false positives.” The cost of getting something like this wrong usually translates into hours trying to isolate where you messed up and setting things right (ideally, without messing anything else up!).


With the help of jQuery, being able to do this and myriad other things with Javascript is as easy as learning the jQuery syntax and knowing how to leverage jQuery’s rich ecosystem of plug-ins.


“jQuery,” Dave says, “takes care of so many things for you. You don’t have to remember the stupid little tricks it takes to do anything. It’s a paradigm shift.”


That being said, for all its apparent complexity, there are some reasons to go with the raw form of Javascript (raw scripts, for example, can be more efficient in some applications). So, one might ask, does it make sense to use raw for some use cases and jQuery for others?


Dave thinks not. Having tried himself to move back and forth between the two approaches, he cautions others that in doing so they will “get stuck thinking about the same things in two different ways.” Instead, he says, “Be prepared to go all the way over to the dark side.”


The Course


When designing this course, Dave explains, “The challenge was figuring out what to focus on.”


The guiding principle that he and Gymnasium’s Academic Director, Jeremy Osborn, settled on was to show students how to do a few specific things with jQuery (creating an image carousel, for example) but along the way to really teach them “where to look and how to look to see what jQuery can do.”


In other words, the main goal of the course is to provide students with a toolset for figuring out how to use jQuery for any problem they’re facing. One way Dave accomplishes that goal, for example, is by introducing students to the plug-in ecosystem and providing them with a structure for seeking solutions there.


With that in mind, when asked what the next step would be for any student completing the course, Dave simply says, “To go off and start solving your own problems with jQuery.”

As to whether or not students will find jQuery as powerful and useful as he suggests, Dave puts it this way, “It will save their bacon.”

If you would like us to let you know when this course launches, all you have to do is register with Gynmasium!

Image Source: Steven Depolo

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