👉 Inverting is a concept in computing, particularly in computer science and programming languages. It refers to reversing or flipping an input value to produce another value. For example, if you have an array of numbers and you want to invert it by swapping all the elements with their original positions: ``` let arr = [1, 2, 3, 4]; arr = arr.map((val) => val - 1); console.log(arr); // Output: [4, 3,