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Maps in ES6

Posted on 1 December 2016 | Development by Carina Syemyerdzhyan

A map object in ES6 is just a simple key-value map. Javascript objects in maps are very similar to each other. But maps offers a few benefits for us which we can’t get from objects. E.g. in an object keys have to be a string where is in a map it can be anything from …

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Gulp cache busting

Posted on 23 November 2016 | Development by Kim Massaro

Not long ago I had the problem with caching images and CSS in one of the applications I’m working on. I was familiar with the fact that you can set an expiration date on assets, however I wasn’t sure how and what would happen if I would make a change in the files. After a …

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Bootstrap 4, so what’s new?

Posted on 23 November 2016 | Development by Kim Massaro

Bootstrap, we’ve all heard about or used it. A HTML, CSS and JavaScript framework to create mobile-first, responsive web applications. Personally I’ve used it many times to quickly set up small websites for friends or family, but also in bigger projects where it was easy to use as a grid. Bootstrap has been working on …

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A Typescript project : Get compiled

Posted on 13 November 2016 | Development by Maria Cristina Di Termine

Typescript is an open source language created by Microsoft designers for large applications. It’s a class-based object-oriented programming language that brings powerful typing features to JavaScript. There are different reasons why we should use typescript instead of plain JavaScript and two of them are: – Additional features and typings – Freedom to innovate Additional features …

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Manage cookies with JavaScript

Posted on 13 November 2016 | Development by Maria Cristina Di Termine

What is a cookie? It’s a small part of data sent to the browser form the website we are navigating. It’s called also HTTP cookie, web cookie, internet cookie, browser cookie and the name derived from “fortune cookie”, a cookie with an embedded message. Cookies are invented to store information like for example, items added …

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Fast workflow as a UI/UX designer

Posted on 9 November 2016 | Development by Randy Gootjes

Why I choose Sketch over other applications to build my wireframes and layouts. Why is Sketch such a huge contender with other applications like Photoshop or Illustrator? Sketch was designed specifically for designing digital products, as were Photoshop and Illustrator are essentially photo editing and print graphics tools. Sketch is a vector tool that understands …

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Introduction to Cordova

Posted on 2 November 2016 | Development by Carina Syemyerdzhyan

Cordova is a framework for mobile application development (using HTML, CSS and JS). We can not use native mobile functionalities in our web applications by default. Cordova provides a possibility to do it. In this case it’s kind of a bridge between web application and mobile application. Using Cordova we have access to native mobile …

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Why I love to work for Competa IT as a Front-end Developer

Posted on 23 October 2016 | Development by Raymon

My story with Competa started 2,5 years ago (March 2014). I was searching for a job as a Front-end Developer, at that time I was very good in HTML, CSS but didn’t care a lot about JavaScript. Well, I did a little bit with jQuery, some copy paste from the jQuery plugin sites, placed the …

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Arrow function in ES6

Posted on 6 October 2016 | Development by Carina Syemyerdzhyan

An arrow function is a new feature of ES6. It has a shorter syntax and it is always anonymous.  However, the arrow functions behaves differently than traditional JavaScript functions (as they doesn’t have this, arguments and new.target bindings, there isn’t prototype, can’t change this and etc.)

i.e.:

Using the arrow function isn’t need …

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Add a CSS class on scroll with Vanilla JavaScript

Posted on 16 September 2016 | Development by Amanda de Rijk

We have all been in a situation where we want to add an animation or a different style to an HTML element on scroll. In this blog I’ll tell you how I did this and what problems I found while doing this. To start we need to create a function which gets activated when the …

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