CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS...
"Open-source software (OSS) is great. Anyone can use virtually any open-source code in their projects." Well, it depends...
Here is an ES5 object literal with two string properties and a function property: let user = { firstName: 'Max', lastName: 'Muster...
# Basic HTML example # Javascript API (notable methods and properties) video = document.querySelector('video') video.play() video.pause() video.load() // Reset to the beginning and...
Let's say you want to merge the properties of two JavaScript objects: let a = { foo: 1, bar: 2 }
RubyMine has a HTTP Client that can be useful to test web APIs. Just create a .http scratch file an...
Select2 is a fantastic library for advanced dropdown boxes, but it depends on jQuery. Alternatives Tom Select
Select2 comes with AJAX support built in, using jQuery's AJAX methods. ... For remote data sources only, Select2 does not...
If you render markdown from user input, an attacker might be able to use this to inject javascript code into...
When an event listener on a DOM element throws an error, that error will be silenced and not interrupt your...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
To make CSS rules dependent on the screen size, we use media queries: @media (max-width: 500px) { // rules for screen...
The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...
When we write a form with date fields, we often use graphical data picker like Rome to get a consistent...
To set a default Node version for new shells, use nvm alias default : nvm alias default 1.2.3
To test that an object was constructed by a given constructor function, use jasmine.any(Klass): describe('plus()', function() { it ('returns...
Browsers come with a set of built-in elements like or . When we need a new component not covered by...
A while ago I tweeted a thread about how a small JavaScript snippet, one that can fit in a single...
This is a bookmarklet you can add to Chrome or Firefox which will allow you to create a story in...
jQuery is still a useful and pragmatic library, but chances are increasingly that you’re not dependent on using it...
Capybara provides execute_script and evaluate_script to execute JavaScript code in a Selenium-controlled browser. This however is not...
WProofreader is a spelling and grammar checking tool that integrates with textareas and numerous WYSIWYG editors. While it usually activates...
The main benefit of our convention to prefix commits by their corresponding Pivotal Tracker ID is that we can easily...