This will give the target site full access to your Javascript environment through window.opener, if the target is on the...
A HTTP 302 Found redirect to PATCH and DELETE requests will be followed with PATCH or DELETE. Redirect responses to...
In JavaScript we often use Immediately Invoked Function Expessions (or IIFEs) to prevent local variables from bleeding into an outside...
During debugging you might pepper your code with lines like these: console.log('foo = ' + foo + ', bar = ' + bar) I recommend to use...
There are cases when you need to select DOM elements without jQuery, such as: when jQuery is not available
Until recently, you could open a new tab via window.open when using execute_script in Selenium tests. It no longer...
Regular expressions in Javascript are represented by a RegExp object. There also is a regex literal as in many other...
Note This card does not reflect the current state of lazy loading technologies. The native lazy attribute could be used...
While you usually do not need a Content-Type on GET request (which have a blank body), an external API...
You can say this in Javascript: $.fn.jquery => "1.11.1"
Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...
To safely transport an arbitrary string within a URL, you need to percent-encode characters that have a particular meaning...
As the web is being used for more and more tasks, expectations rise. Not only should web pages offer rich...
Moved from Less to Sass. Bootstrap now compiles faster than ever thanks to Libsass, and we join...
Unfortunately, Web APIs haven’t provided the functionality to copy text to the clipboard through JavaScript, which is why visiting...
You can include files from app/assets or from the public folder with javascript_include_tag. The subtle difference that tells...
Free Bootstrap theme resembling Material Design. Bootswatch offers Sass and Less files, so the theme can easily be integrated into...
Jasmine comes with two matchers that test for equality. The first is toBe: expect(first).toBe(second) toBe passes when...
The easiest way to freeze or travel through time in a Jasmine spec is to use the built-in jasmine.clock...
If you are writing any amount of Javascript, you are probably using closures to hide local state, e.g. to have...
tl;dr: Use event.currentTarget unless you are absolutely certain that you need event.target. Since it hasn't been written down...
CSS (+ some Javascript) framework, implementing Google's material design for static web pages. Can be used for plain websites without...
Disabling auto-complete in login forms is probably a bad idea, since it encourages weak passwords. If you are still...
SmartUnderline is an open-source JavaScript library which uses clever tricks to draw underlines in a more beautiful and readable...