For my Gem Session project Holly I ran the Ironman of drag'n'drop implementations: Dragging in nested lists

The $.cssHooks object provides a way to define functions for getting and setting particular CSS values. It can also be...

The step we used in the past (Then "foo" should not be visibile) doesn't reliably work in Selenium features...

Added information about what jQuery considers "visible" Added a solution for Prototype Added a patch for Prototype that replaces the...

The step definition below lets you write: When I click on "Foo" This is useful in Selenium features where the...

Applications often show or hide elements based on viewport dimensions, or may have components that behave differently (like mobile vs...

When using the asset pipeline your assets (images, javascripts, stylesheets, fonts) live in folders inside app: app/assets/fonts app/assets/images...

TagCanvas is a Javascript class which will draw and animate a HTML5 canvas based tag cloud.

Localizing a non-trivial application can be a huge undertaking. This card will give you an overview over the many...

You will find this useful when creating responsive designs that work well on small screens. The attached Javascript gives a...

Though the W3C even gives it as an example, no browser actually supports this CSS: img:before { content: "something"; }

File upload with nice UI, progress bar and preview, allowing multiple files and supports drag & drop. Its default is built...

When you want to test how an web-application reacts in a specific resolution, you can set up a specific...

In order to navigate through the browser history. you can manipulate the window.history object via javascript like follows:

Spreewald gives you steps like these: When I enter "text" into the browser dialog Also see Accept or deny JavaScript...

You can use this code: function scrollToLine($textarea, lineNumber) { var lineHeight = parseInt($textarea.css('line-height')); $textarea.scrollTop(lineNumber * lineHeight); }

Controller responses often include Javascript code that contains values from Ruby variables. E.g. you want to call a Javascript function...

By default, Google Analytics tracks the current URL for every request. Sometimes you will want to track another URL instead...

zClip is a lightweight jQuery "copy to clipboard" plugin built using the popular Zero Clipboard library. This plugin uses an...

A small library to provide the Rails I18n translations in Javascript clients.

CodeMirror is a JavaScript component that provides a code editor in the browser. When a mode is available for the...

This is a demo of the "Tabby" Javascript jQuery plugin to use tabs in regular textareas to make them suitable...

KeyboardJS is a library for binding to keys or key combos