Make function for invert using JAVASCRIPT

This method should invert the object values become keys and keys become values. Only work on the top level properties, assume that all values are primitive types. If duplicate values, subsequent values overwrite property assignments of previous values

const obj5 = { a: 1, - b: 2, -c: 1, console.log(obj5.invert()); // { 'l': 'c', '2': '6'}