What's the quickest way to rename all property names in a Javascript object?

Question

Say, I have an object that looks like this:

const a = {
  prop1: \"val1\",
  prop2: \"val2\",
  prop3: \"val3\",
  prop4: \"val4\",
}

And I wan

Answer 1

You can do:

const a = {
  prop1: "val1",
  prop2: "val2",
  prop3: "val3",
  prop4: "val4",
};
const b = {};
Object.keys(a).forEach(k => b[`something_${k}`] = a[k]);

console.log(b);