JavaScript Class Privates

/ / No Comments
One of my aspects of JavaScript that drew me to it as a young developers was that its syntax was loose and I could code quickly. As you gain experience as an engineer, you start to realize that some traditional coding structure is a good thing, even if it slows you down. Using Jest or TypeScript to add typing to your JavaScript can save you from maintenance headaches and unexpected errors, for example. While those are pre-compile tools to accomplish structure, we’ve traditionally employed vanilla JavaScript patterns to mock private variables and methods in JavaScript. Did you know, however, that browsers and the JavaScript language support a specific syntax for creating private variables... more →
Posted in: JavaScript Tagged with: , ,

Detect Dark Mode Preference with JavaScript

/ / No Comments
Seemingly every website, dapp, and app offers a dark mode preference, and thank goodness. Dark mode is especially useful when I’m doing late night coding, or even worse, trading into altcoins. I’m presently working on implementing a dark theme on MetaMask and it got me to thinking: is there a way we can default to dark mode if the user’s operating system also defaults to dark mode? You can determine if the user’s operating system prefers dark mode with one quick line of code: const prefersDarkMode = window.matchMedia("(prefers-color-scheme:dark)").matches; // true This code snippet takes advantage of the CSS prefers-color-scheme media query with JavaScript’s... more →
Posted in: JavaScript Tagged with: , , , ,
1 … 3 4 5 6 7 … 53