JavaScript’s built-in objects include Object, JSON, console, String, Math, Date, and the window and global objects. These are some of the most important and useful parts of the JavaScript language.

JavaScript can be a boon if used with care—or a bane if used recklessly. Here are the 10 JavaScript concepts you’ll need to write scalable code in Node.js.

Image () object in JavaScript and pass it the URL of the image you want preloaded. Say we have an image called heavyimagefile.jpg, which we want to ...