A callback function in JavaScript is a function that’s called after the first function has completed its task. Learn more about how they’re used and when to use them.
JavaScript offers a variety of ways to format dates, including using the date object, intl.DateTimeFormat and a number of date libraries. Here’s how to use each one.
An API call in React refers to making a request to a web API from a React application. We can make an API call with: XMLHttpRequest, Fetch API or Axios.
There are three common ways to loop through a JavaScript associative array object, including the for-in loop, object.entries with forEach and the for-of loop. Here’s how.
Prisma “environment variable not found: DATABASE_URL” error occurs when there’s a disconnect between the schema and the environment variables. Learn to solve it.
ESLint, Prettier, Husky and lint-staged are code editing tools that can be used to correct errors and format code for consistency pre-commit. Here’s how they work.
JavaScript doesn’t have a dedicated sleep() function that causes the code to wait before resuming execution. Here's how to write a JavaScript sleep function using setTimeout().
