push object in array javascript code example

Example 1: javascript add object to array

var object = {'Name'};
var array = [ ]; // Create empty array

// SIMPLE
	array.push(object); // ADDS OBJECT TO ARRAY (AT THE END)
	// or
	array.unshift(object); // ADDS OBJECT TO ARRAY (AT THE START)

// ADVANCED
	array.splice(position, 0, object);
	// ADDS OBJECT TO THE ARRAY (AT POSITION)

		// Position values: 0=1st, 1=2nd, etc.
		// The 0 says: "remove 0 objects at position"

Example 2: javascript push all elements of array to another array

var arrayA = [1, 2];
var arrayB = [3, 4];
var newArray = arrayA.concat(arrayB);

Example 3: how to add object to list in javascript

var a=[]
var b={};
a.push(b);

Example 4: push object into array javascript

var nietos = [];
var obj = {};
obj["01"] = nieto.label;
obj["02"] = nieto.value;
nietos.push(obj);

Example 5: add item to array javascript

const arr1 = [1,2,3]
const newValue = 4
const newData = [...arr1, obj] // [1,2,3,4]

Example 6: add object to array javascript

let obj = { name: 'Bob' };
let arr = [{ name: 'John' }];

// add obj to array
arr = [...arr, obj];

console.log(arr) // [{ name: 'Bob' }, { name: 'John' }];