A detailed look at what the changes are going to be and how they will affect JavaScript. — With the promotion of Type Annotations to Proposal Level 1 Stage, JavaScript is one step closer to being a more strongly typed language. Let’s dive into what the changes will mean for JavaScript. Types in JavaScript JavaScript is dynamically typed. That means that it figures out the type of something by where it…

The spread operator, or 3 dots, is an operator in JavaScript which is used by both function calls and in arrays/objects. It has a multitude of different uses, so let’s take a look at how we use the spread operator in real JavaScript code. In function calls We can use the 3 dots…

When we use components in Vue, we often use properties or props to pass custom pieces of data down to the child component. For example, we can tell our child component that for this version of the component, “name” is set to “my-component”: <Component name="my-component" /> If we try to…

Svelte events are the way we add interactivity to components in Svelte. A common issue with Svelte events is adding arguments to functions called within them. For example, suppose we have a basic counter, which increases any time the user clicks on it: <script> // we write…

As with any framework, Vue lets us add reactivity to our applications and websites through events. The great thing about Vue events is they mimic vanilla Javascript, so all the events you’re used to using in Javascript can also be used in Vue. Vue Basics If you are brand new to Vue…

When we track a file in git, it can sometimes get cached and remain tracked, even if we add it to our .gitignore file. This is simply because .gitignore prevents files from being added to Git's tracking system, but it will not actively remove those that are already tracked. This…

Sometimes in Git, we want to preserve a directory for use within a repository, but keep it empty of files. …

The ReturnType in TypeScript is a utility type which is quite similar to the Parameters Type. It let's you take the return output of a function, and construct a type based off it. The ReturnType Utility Type The ReturnType utility type is very useful in situations where the output of a specific function needs…

Events in Svelte are quite intuitive and easy to use. In this guide, we’ll look at how to get started with Svelte events. It is assumed you have a good understanding of Javascript for this guide. If you are brand new to Svelte, it might make sense to read my…