JavaScript is the foundation of the modern web. From simple button clicks to complex web applications, almost everything interactive you see online runs on JavaScript. Whether you are a beginner ...

Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

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Everybody gets frustrated when web apps are broken, but testing them thoroughly doesn't need to be a chore. Playwright, a new open-source browser automation tool from Microsoft, makes testing web apps ...

You are probably already familiar with JavaScript’s set of highly flexible variable types. We don’t need to review them here; they are very powerful and capable ...

Developers use JavaScript promises to model asynchronous operations in web and server-side programs. Here's a quick look at five ways to use promises in your code. Promises are a central mechanism for ...

Grace Knowles is a tech writer from LA, USA. She is glad to be a part of Hackernoon. Grace Knowles is a tech writer from LA, USA. She is glad to be a part of ...