Let’s compare props and state. Here’s a definition of each: “props” (short for “properties”) is an object of arbitrary inputs a React function component accepts as the first argument. “state” is data that changes over the lifetime of a specific ...
Here’s our component without types: const operations = { '+': (left, right) => left + right, '-': (left, right) => left - right, '*': (left, right) => left * right, '/': (left, right) => left / right, } function Calculator({left, ...
