change object key javascript es6 code example
Example 1: change object key name javascript es6
const countries = [
{"id": 1, "name": "Afghanistan"},
{"id": 2, "name": "Albania"},
{"id": 3, "name": "Algeria"},
{"id": 4, "name": "American Samoa"}
];
const transformed = countries.map(({ id, name }) => ({ label: id, value: name }));
console.log(transformed);
Example 2: change object key name javascript es6
const countries = [
{"id": 1, "name": "Afghanistan"},
{"id": 2, "name": "Albania"},
{"id": 3, "name": "Algeria"},
{"id": 4, "name": "American Samoa"}
];
const transformed = countries.map(({ id: label, name: value }) => ({ label, value }));
console.log(transformed);
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);