jQuery's removeClass removes the given class string from an element collection. If you want to remove multiple/unknown classes matching...
This repository was created with the intention of helping developers master their concepts in JavaScript. It is not a requirement...
Mobile Chrome and Safari support the "web share API" which allow you to use the native share functionality of an...
TL;DR: All modern browsers default to using the element as the main document viewport. In CSS, prefer to set...
Font Awesome 5 is a comprehensive solution for vector icons on your website. Originally, Font Awesome came as an icon...
Masonry is a famous library to dynamically arrange a grid of items that have different aspect ratio, like horizontal and...
Cross-Site Request Forgery (CSRF) is an attack pattern for websites. A CSRF attack is usually relevant in a...
A JavaScript error in an E2E test with Selenium will not cause your test to fail. This may cause you...
...HTML's accepts a single file. You can allow multiple files via . But sometimes, selecting multiple files is not enough...
Most forms have a single submit button that will save the record when pressed. Sometimes a form needs additional submit...
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads...
Having a unique selector for an element is useful to later select it from JavaScript or to update a fragment...
Haml lets you prefix a group of attributes by wrapping them in a hash. This is only possible with the...
As a web developer, you know Google Analytics (GA). Probably you've dropped the GA snippet into more than one...
Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
Background information about session storage in Rails Rails has a default mechanism to store the session in the CookieStore. This...
The linked article lists a number of techniques that were best practices with ES5, but have better alternatives in modern...
If possible your code should detect features, not browsers. But sometimes you just need to sniff the browser. And when...
A matcher is a function that returns an object with a compare key. Usually it is registered with beforeEach...
CoffeeScript and JavaScript (ECMAScript) both have operators in and of. Each language use them for more than one purpose. There...
Using the JS fullscreen API is painful because all browers use different methods and events and you need to use...
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
You know that you can use jQuery's text() to get an element's contents without any tags.
Webpacker uses Babel and Webpack to transpile modern JavaScript down to EcmaScript 5. Depending on what browser a project needs...