Devin R. Olsen Web Developer » JavaScript Tutorials

Sometimes when working on a client’s site, you might be tasked with trying to capture all out bound links as what we call “external links” and display a confirm message to the user before l...

http://devinrolsen.com/link-sanitation/

So today I wanted to spotlight a neat JS library I found while doing some client work called Markup JS by Adam Mark: https://github.com/adammark/Markup.js/ What is Markup JS? Well to answer that ...

http://devinrolsen.com/lets-talk-js-markup-templates/

This is a nice little snip I created when in a bunch with a client who needed a DOM part to be higher up in the source order at particular break points, but not higher up in the source order unde...

http://devinrolsen.com/domrelocator-helper-for-responsive-design/

Today, we will talk about the re-size and mouse move events. These two events indeed are very helpful, but can also be very costly on your site or web app. Let’s take a look at an example of�...

http://devinrolsen.com/optimizing-window-resize-and-mouse-move-events/

Today we are going to cover how to extract the polygonal data from Google Earth’s country borders and encode the data into a JavaScript array that we can use in Google maps. With the combinatio...

http://devinrolsen.com/google-earth-borders-as-google-maps-polygons/

Quick review of jQuery loops and traditional JavaScript loops and how to speed you looping up for both for and while JavaScript looping methods.

http://devinrolsen.com/fun-with-javascript-and-jquery-loops/

Today I would like to talk a bit about setting up events on DOM using jQuery and how one should try to avoid setting up huge numbers of unnecessary events on a single document.

http://devinrolsen.com/efficient-event-targeting-with-jquery/

I was recently tasked with replicating a "mousemove()" event on the iPad using the "touchmove()" event. I ran into a few snags and felt it was worthy enough to document my findings. Here I will s...

http://devinrolsen.com/basic-jquery-touchmove-event-setup/

There has been a few times while writing a few jQuery plugins that I come across conditions that almost does the same thing in both the if and else. I always wondered if their was a way to conden...

http://devinrolsen.com/jquery-selector-chain-conditions/

Learn how to use both JavaScript Ajax and PHP GD (graphical library) to perform real-time image typesetting onto a image. We will also cover how to use custom text colors, sizes, rotation and eve...

http://devinrolsen.com/realtime-image-typesetting-with-php-gd/

I find myself now and then on Google trying to hunt down jQuery and jQuery-UI repository links. Over time, I only felt it was necessary to compile everything into one place for other developers t...

http://devinrolsen.com/jquery-google-hosted-repository-links/

I was recently given the opportunity to read over the new book "jQuery Plugin Development Beginners Guide " by Giulio Bai, and I must admit this is a must have guide!

http://devinrolsen.com/beginners-guide-to-jquery-plugin-development/