how to add key value in object javascript code example
Example 1: for key value in object javascript
for (const [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
Example 2: js add key to object
const obj = {
key1: value1,
key2: value2
};
obj["key3"] = value3;
obj.key4 = value4;
Example 3: how to add field to object in js
var obj = {
key1: "a",
key2: "b"
};
obj.key3 = "c";
obj["key3"] = "c";
console.log(obj)
Example 4: javascript add to object
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push(element);
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push({element: element});
Example 5: 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);
Example 6: add new key value pair to object javascript
const person = {
name: "Elon Musk"
}
person.age = 49;
console.log(person);