remove obj from array javascript code example

Example 1: how to remove element from array in javascript

var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get  "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]

Example 2: js remove object from array by value

let originalArray = [
    {name: 'John', age: 23, color: 'red'}, 
    {name: 'Ann', age: 21, color: 'blue'}, 
    {name: 'Mike', age: 13, color: 'green'}
];

let filteredArray = originalArray.filter(value => value.age > 18);

Example 3: remove item from array by id

var myArr = [{id:'a'},{id:'myid'},{id:'c'}];
var index = arr.findIndex(function(o){
     return o.id === 'myid';
})
if (index !== -1) myArr.splice(index, 1);

Example 4: remove item at index in array javascript

// remove element at certain index without changing original
let arr = [0,1,2,3,4,5]
let newArr = [...arr]
newArr.splice(1,1)//remove 1 element from index 1
console.log(arr) // [0,1,2,3,4,5]
console.log(newArr)// [0,2,3,4,5]

Example 5: javascript remove object from array

var array = ['Object1', 'Object2'];

// SIMPLE
	array.pop(object); // REMOVES OBJECT FROM ARRAY (AT THE END)
	// or
	array.shift(object); // REMOVES OBJECT FROM ARRAY (AT THE START)

// ADVANCED
	array.splice(position, 1);
	// REMOVES OBJECT FROM THE ARRAY (AT POSITION)

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