What does "type" in package.json actually do?

If you have ever opened a package.json and seen something like this: { "type" : "module" } and wondered what it actually does, this post is for you. We will keep things simple and stick to what a beginner needs to know. Two ways to share code in JavaScript JavaScript has two systems for splitting code across files. They both do the same job, but they look different and behave differently under the hood. CommonJS (the older way) // math.js function add ( a , b ) { return a + b ; } module . export