how to change the key of an object in javascript code example

Example 1: js rename property

function renameProperty(obj, oldName, newName) {
  obj[newName] = obj[oldName];
  delete obj[oldName];
}

Example 2: js rename property

obj.newProperty = obj.property
delete obj.property

Example 3: js change key value in object

var object = { boo:true, baa:5 };
console.log(object);
function change() {
  object.boo = false;
  object.baa++;
};
change();
console.log(object);
//Hope this helps!