Zell Liew

Scopes and closures are important in JavaScript. But, they were confusing for me when I first started. Here's an explanation of scopes and closures to help you understand what they are.… Read article

Whenever we send or retrieve information with JavaScript, we initiate a thing known as an Ajax call. Ajax is a technique to send and retrieve information behind the scenes without needing to refresh the page. It allows browsers to send and retrieve information, then do things with what it gets back, like add or change HTML on the page.

Let's take a look at the history of that and then bring ourselves up-to-date.… Read article

Gulp is a tool that helps you out with several tasks when it comes to web development. It's often used to do front end tasks like:

• Spinning up a web server
• Reloading the browser automatically whenever a file is saved
• Using preprocessors like Sass or LESS
• Optimizing assets like CSS, JavaScript, and images

Important Note! This article was written for Gulp 3.x, but now Gulp 4.x is out and recommended. Like any major version change, APIs have breaking changes. If … Read article

Susy provides you with the tools to build your own grid layouts that match the needs of your website. It gives you the freedom and flexibility to build any design that you can imagine. It doesn't matter if your design has 5, 14 or 48 columns. Unequal width columns? Susy's got you covered.

Why would you pick Susy over the million other frameworks out there on the internet? You may never even heard of it before. What if it's beauty … Read article