In Ruby on Rails, all objects have a useful blank? method. It returns true for nil but also for empty...
jQuery has a function $.fn.trigger(). You can use it to dispatch an event on a jQuery object: let $element = $('.foo...
It is quite easy to migrate from CoffeeScript to ES6. You can use decaffeinate to convert your CoffeeScript source to...
Over the years we have tried several solution to have vector icons in our applications. There are many ways to...
To keep JavaScript sources small, it can sometimes make sense to split your webpack bundles. For example, if your website...
Download buttons can be difficult to test, especially with Selenium. Depending on browser, user settings and response headers, one of...
We're always striving towards keeping our website's JavaScript as small as possible. If you're using webpack(er...
TL;DR Most web applications do not require action on this. SameSite=None (old browser default) will continue to work...
Some older Node modules rely on window.jQuery to be present. One suggested solution is to use this config in the...
To avoid multiple versions of a package, you can manually maintain a resolutions section in your package.json. We recommend you...
This is a short overview of things that are required to upgrade a project from the Asset Pipeline to Webpacker...
When we want to use our own (or bought) fonts in an application with Webpack(er), we have two options...
Here is how to make Rome datepicker look like the rest of your Bootstrap 4 application. Rome comes with very...
Webpacker is Rails' way of integrating Webpack, and version 4 has been released just a few days ago, allowing us...
See the attached link for a useful overview of modern (and classic) DOM API methods, like matches, contains, append, cssText...
This is a presentation from 2019-01-21. Summary We want to move away from jQuery in future projects
If your app does not need to support IE11, you can use most ES6 features without a build step. Just...
The standard way to abort async code is that your function takes a AbortSignal { signal } property. The caller can use...
Remember How to skip Sprockets asset compile during Capistrano deployment and Automatically skipping asset compilation when assets have not changed...
The Ace editor is a great enhancement when you want users to supply some kind of code (HTML, JavaScript, Ruby...
When projects run for many years, they require special regular maintenance to stay fresh. This kind of maintenance is usually...
If your Rubymine does not recognize a file type correctly although you have entered the unmistakeable file extension like material_orders_controller.rb...
The exception_notification gem supports to provide custom data to e.g. the fail mail within foreground or background jobs. ExceptionNotifier.notify...
Accessing pseudo elements via JavaScript or jQuery is often painful/impossible. However, accessing their styles is fairly simple. Using getComputedStyle