Great presentation about writing Javascript like you write everything else: Well-structured and tested. JavaScript is no longer a toy...
Chart.js seems to be a good alternative to Google's Chart API and other commercial chart drawing libraries.
Rails understands a :limit options when you create columns in a migration. Its meaning depends on the column type, and...
JavaScript has no built-in functions to compare two objects or arrays for equality of their contained values.
If you open a pop-up window [1] in your Selenium tests and you want to close it, you can...
JavaScripts and CSS should be minified for production use. In Rails 3.1+ the asset pipeline will take care of this...
If you need to capture signatures on an IPad or similar device, you can use Thomas J Bradley's excellent...
A tooltip library that does not use Javascript. Works in IE9+. This library (or the technique used by it) could...
Spreewald now comes with a step that tests if a form field is visible: Then the "Due date" field should...
The attached article outlines considerations when choosing client-side vs. server-side implementations of the Google Geocoding APIs (geocoder, directions...
If you get a message like this: Jan 21 13:42:38 foobar syslogd: /var/log/authlog : no such file or directory...
So you want to find out how many horizontal pixels you have available on a mobile device. This is super...
If you say git stash, your stashed changes will be identified with an automatically generated message: $ git stash
Every time you call $(...) jQuery will create a new object. Because of this, comparing two jQuery collections with == will never...
Tracekit is a JavaScript library that automatically normalizes and exposes stack traces for unhandled exceptions across the 5 major browsers...
When you have a Pull Request on GitHub that includes commits from another Pull Request, you will still see them...
When you are using git rebase and are currently editing a commit (due to a conflict, for example), you may...
jquery-timing is a very useful jquery plugin that helps to remove lots of nested anonymous functions. It's API...
The basic idea is pretty simple: an element's height is accessible via the offsetHeight property, its drawn height via...
This works in all relevant browsers: document.activeElement You can use this in your Selenium steps, for example, to assert that...
David Walsh from Mozilla shows how to fire 'DOM changed' events from CSS. No need for JS to observe DOM...
Selenium cannot reliably control a browser when its window is not in focus, or when you accidentally interact with the...
Since I use this a lot in my daily work and there were no scripts working properly for me, I...
Capybara gives you two different methods for executing Javascript: page.evaluate_script("$('input').focus()") page.execute_script("$('input').focus()")