How to Rename an Object's Key in JavaScript | Demo | Example

Demo URl

Code Example Here

 function renameKeys(obj, newKeys) {

  const keyValues = Object.keys(obj).map(key => {
    const newKey = newKeys[key] || key;
    return { [newKey]: obj[key] };
  });
  return Object.assign({}, ...keyValues);
}

Uses

 const obj = { a: "1", b: "2" };

const newKeys = { a: "A", c: "C" };
const renamedObj = renameKeys(obj, newKeys);
console.log(renamedObj);

// {A:"1", b:"2"}