add array object to 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: how to append object in array javascript

var select =[2,5,8];
var filerdata=[];
for (var i = 0; i < select.length; i++) {
  filerdata.push(this.state.data.find((record) => record.id == select[i]));
}
//I have a data which is object,
//find method return me the filter data which are objects
//now with the push method I can make array of objects

Example 3: 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' }];