js find and delete from array code example

Example 1: remove a particular element from array

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: remove item from array javascript

const array = [2, 5, 9];

console.log(array);

const index = array.indexOf(5);
if (index > -1) {
  array.splice(index, 1);
}

// array = [2, 9]
console.log(array);

Example 3: js array delete specific element

var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
var filtered = array.filter(function(value, index, arr){
    return value > 5;
});
//filtered => [6, 7, 8, 9]
//array => [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]

Example 4: pop up element from specific index in array

let items = ['a', 'b', 'c', 'd'];
let index = items.indexOf('a')
let numberOfElementToRemove = 1;
if (index !== -1) { items.splice(index,numberOfElementToRemove)}

Example 5: javascript array clear

var cars = ["mazda","honda","tesla"];
	cars = []; // clear/empty the array