JavaScript

Module tests in software development

Module tests are one of the most effective methods of identifying as many errors in the source code as possible early on in the software development process. The special feature: the smallest isolatable components of a program are placed in a neutral test environment. If errors appear, it’s obvious they are occurring in the module being tested, which makes them easy to correct. [...]  

The most important meta tags and their functions

Meta tags are used by website owners to specify metadata in HTML documents. The coded information integrates with web browsers and search engine crawlers to enhance the searchability of a website. But which meta elements are actually required by user agents to improve processing? And how can you use metadata to boost your website’s ranking in the search results? [...]  

jQuery tutorial: introduction and first steps

By using the JavaScript library, jQuery, you can easily customize HTML elements. Well-known CSS selectors such as the element selector or the .class selector help you to choose the desired content and manipulate it using various actions. In addition, lines of code can be written that respond to how website visitors navigate and what search terms they enter, and then automatically execute predefined reactions. In our jQuery tutorial you will get an introduction to jQuery and the basics of how to use the library. [...]  

Website optimization: tips and tricks for more speed

Many website operators fall short when it comes to keeping up with the creation and maintenance aspects of their sites. Despite responsive design, many websites still have loading times that are too long, which can prove off-putting for visitors. Our guide reveals what you can do to optimize the performance of your website. [...]  

Protecting your email address: how to do it

Spam robots, so-called harvesters, consistently search the internet for email addresses that can be used for unlawful advertising, phishing emails, and spreading viruses, worms, and Trojans. You’re recommended to have your contact details on your website, but how do you stop them from being misused? This article gives you advice on how to protect your email address. [...]  

Popular JavaScript frameworks and libraries

If you’ve ever worked with JavaScript on a website, you will know how complicated the Document Object Model (DOM) is. With their useful functions and simplifications, JavaScript frameworks and libraries provide a helping hand for developers and promise a simpler programming procedure. But what are the best JavaScript libraries and frameworks? And how does a framework actually differ from a library? [...]  

Bootstrap tutorial: the first steps

Bootstrap is one of the best solutions when it comes to creating websites for all devices with little effort. But what exactly lies behind the framework that was originally planned to be used as an internal optimization tool for Twitter? Can total beginners with no CSS, JavaScript, or HTML experience also achieve attractive results? [...]  

Learn to code: an intro on how to get the basics down

Welcome to the digital age: every day the average American spends hours looking at smartphone screens and PC monitors. But most still lack even a basic understanding on how the programs affecting their everyday life work. If you think you may fit into this demographic, don’t worry: thanks to online courses, videos tutorials, and supportive internet communities, it’s never been easier to learn skills like HTML, C++, and PHP. [...]  

What is XSS (a.k.a. Cross-site scripting)?

Have you ever heard of cross-site scripting (XSS)? This is when unauthorized users take advantage of security gaps in internet browsers and on web servers to plant malware and run it anonymously. But what lies behind these attacks and how can website operators and users protect themselves? [...]  

The basics for modern web development

The trends driving web development are moving away from static web presences and heading increasingly in the direction of interactive content. Even though languages like HTML and CSS still rule the roost, a growing number of developers prefer the server-side programming language, PHP, for dynamic websites. Client-side script languages like JavaScript make it possible for a site to react to user input. Find out more about these basics of modern web development in our digital guide. [...]