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In the previous blogpost we discussed the forEach method that iterates over every array. We can now create a filtered array by using this function. While this will work fine, we still need to predefine our filtered array and push it in this array ourselves. We don’t need to… we could just use the filter […]

After discussing how to create a range in the last post, we will discuss some of the array methods and how to use them to make your code more readable and concise. First of all, I want to add that every array method uses the callback pattern. We’ll do a post on this pattern later, […]

After 5 successful earlier editions of the APEX World day, they chose a different venue for the 2015 edition. The ship SS Rotterdam was the setting for the annual APEX World event. For us, it was not only the location that was special, we were also official Diamond Sponsor of APEX World 2015! And a great […]

Previous blogpost we discussed extending native data types in JavaScript. Today we’ll create a method in the array prototype that you can use to easily create a range such as an array. Some programming languages allow you to easily create an array from a range, such as: Scala or Ruby In JavaScript however, you need […]

Polymer An interesting take on web future at Devoxx 2014 was Polymer. This framework is build on top of the HTML Web Components specification. It allows you to create your own HTML elements. These elements have their own element-contained HTML (called shadow-dom), private CSS for styling and even some JavaScript for the user to be […]

In the previous blogpost we took a quick look at the prototype of a value in JavaScript. We also noted that primitive data types such as String and Object have prototype objects of their own. JavaScript allows you to extend these prototype objects with. A useful example is to add formatting functionality to the String […]

At Devoxx 2014, a large amount of presentations involved Google’s Material Design and Polymer. Before we dive into Polymer, it might be useful to have a look at some of the design guidelines proposed by Google. These guidelines are bundled into a style guide, named Material Design. What is Material Design? Material Design is a […]