Adding a progress bar to the top of the page is a simple way of showing the user how far down the page they have read. There is a scroll bar on the right hand side of the page on my current device, but that isn't always present on all devices.
Animating Number Updates With jQuery
I was working on a user dashboard recently and decided to add some more signposting to values being updated. Users were able to select different parameters in order to produce different values, but I thought that the values being updated weren't clear enough.
Inspecting And Reusing jQuery Events
Adding events to HTML elements with jQuery is pretty simple, but I found that extending those events wasn't an easy task. I was faced with an issue where I had some third party code that performed an action on an element, and I needed to add an event and call the same handler from that event.
Checking If An Element Exists In jQuery
To verify that an element exists in the DOM you just need to use the .length property of a jQuery lookup. If the element is there then the number of elements found will be greater than 0.
Easy QR Code Generation With Google Charts API
When I found about the ability to create QR codes using the Google Charts API I decided to sit down and create a little tool that would generate QR codes for me. I've had this tool for a while and I recently noticed that the QR code mechanism has become deprecated. The API will still work for a couple of years so I thought it was worth posting this.
Prevent Enter Key Submitting Forms With JQuery
A common practice that some users have is to press the enter key when they are filling in forms on the web. This might be when they are just moving to the next field, but the trouble is that this will submit the form.
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