A sleep or delay function is a programming feature that allows you to pause the execution of a program or a specific part of a program for a specified amount of time.
You can use the fs module, which provides methods for working with files and directories: Using fs.unlink() to delete asynchronously, or fs.unlinkSync() to delete synchronously.
Current folder refers to 2 possible locations: current folder in project using __dirname variable, and current working directory using process.cwd or dot-slash notation.
Promisifying is converting a callback-based function into a function that returns a promise, which allows you to use promise chaining or convenient async/await syntax.
End-to-end testing is essential for web development, as it can detect bugs and errors that may not be visible in unit or integration testing; Playwright, Cypress, Puppeteer, Selenium.
You can use data URI strings to include small files or binary data in your web pages without having to make separate HTTP requests for them.
Whether you need to verify if a file exists before performing an operation or simply want to handle different scenarios based on file availability.
"async/await" syntax in newer versions of Node.js simplifies working with promises, making asynchronous code resemble synchronous code in terms of readability and flow control.
If you have enabled ES modules in Node.js or using ES modules through a module bundler like Webpack, you'll no longer have access to many variables compared to CommonJS.
This error means that you are trying to use the import statement in a file that is treated as a CommonJS module by Node.js. There are a few ways to fix this error, depending on your preferences and project setup.