javascript array push object key value code example
Example 1: map add key to object in array javascript
const newArr = [
{name: 'eve'},
{name: 'john'},
{name: 'jane'}
].map(v => ({...v, isActive: true}))
Example 2: how to add field to object in js
var obj = {
key1: "a",
key2: "b"
};
obj.key3 = "c";
obj["key3"] = "c";
console.log(obj)
Example 3: 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 4: javascript push object into array with variable key
var key = "happyCount";
var obj = {};
obj[key] = someValueArray;
myArray.push(obj);
{
[yourKeyVariable]: someValueArray,
}