Tips & Tutorials

Welcome to a quick tutorial on how to add elements to a Javascript array. New to Javascript and the whole array thing? Yes, creating a new array is straightforward, but it can be quite confusing when it comes to adding elements to an existing one. There are a couple of different ways to add elements

Welcome to a tutorial on how to debug Javascript. Oh no! An error occurred, what is to be done next? Sadly, the immediate reaction of some beginners is to go into denial – Debugging is difficult, I will just report “it doesn’t work” and things will be magically fixed. Well, no. The most basic form

Welcome to a quick tutorial on how to display error messages in Javascript. Just started with Javascript and wondering where the error messages went? Or looking for ways to better deal with error notifications? The common ways to show error messages in Javascript are: Error messages will show in the developer’s console by default. In

Welcome to a tutorial on how to create a Hangman game with Javascript. So you are interested in learning how to create a game with Javascript, or maybe just forced to do so in a school project. 😆 Well, although it does require quite some time, it really isn’t that difficult to create one –

When it comes to defining “nothing” in Javascript, we have null, undefined, and empty. Just why do we need so many ways to define “nothing” in Javascript and what is the difference? null is used to explicitly define “nothing”. For example, var foo = null undefined happens when we don’t assign a value to a

Welcome to a tutorial on how to create a time picker using pure Javascript and CSS. Yes, there are plenty of time picker plugins available on the Internet. But some of them require a third-party library, and it simply does not make sense to load an entire library for a single-time picker. So here it