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: javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);
Example 3: 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 4: how to remove duplicate array object in javascript
let person = [
{name: "john"},
{name: "jane"},
{name: "imelda"},
{name: "john"},
{name: "jane"}
];
const data = Array.from(new Set(person.map(JSON.stringify))).map(JSON.parse);
console.log(data);
Example 5: 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 6: 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);