js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'remove duplicate objects from array javascript
const addresses = [...]; // Some array I got from async call
const uniqueAddresses = Array.from(new Set(addresses.map(a => a.id)))
.map(id => {
return addresses.find(a => a.id === id)
})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);how to remove duplicate array object in javascript
let person = [
{name: "john"},
{name: "jane"},
{name: "imelda"},
{name: "john"},
{name: "jane"}
];
const obj = [...new Map(person.map(item => [JSON.stringify(item), item])).values()];
console.log(obj);how to remove duplicate array object in javascript
let days = ["senin","senin","selasa","selasa","rabu","kamis", "rabu"];
let fullname = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"},{name: "jane"}];
// REMOVE DUPLICATE FOR ARRAY LITERAL
const arrOne = new Set(days);
console.log(arrOne);
const arrTwo = days.filter((item, index) => days.indexOf(item) == index);
console.log(arrTwo);
// REMOVE DUPLICATE FOR ARRAY OBJECT
const arrObjOne = [...new Map(person.map(item => [JSON.stringify(item), item])).values()];
console.log(arrObjOne);
const arrObjTwo = Array.from(new Set(person.map(JSON.stringify))).map(JSON.parse);
console.log(arrObjTwo);remove duplicates from array of objects javascript
let arr = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"}];
const uniqueArray = arr.filter((v,i,a)=>a.findIndex(t=>(t.name===v.name))===i)
console.log(uniqueArray);Copyright © 2021 Codeinu
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