how to remove identical string in javascript

JavaScript

const names = ['John', 'Paul', 'George', 'Ringo', 'John'];

let x = (names) => names.filter((v,i) => names.indexOf(v) === i)
x(names); // 'John', 'Paul', 'George', 'Ringo'

Source

Also in JavaScript:

Title
hoe verbind je de nodemcu 8266 met adafruit io
Category
JavaScript
Title
event.persist()
Category
JavaScript
Title
compare the triplets hackerrank solution in javascript
Category
JavaScript
Title
fetch get data js
Category
JavaScript
Title
how to print console in javascript
Category
JavaScript
Title
angular run with proxy
Category
JavaScript
Title
express bodyparser deprecated
Category
JavaScript
Title
how to appendChild in the begin of the div javascript
Category
JavaScript
Title
foreach object javascript
Category
JavaScript
Title
how to display image in html from json object
Category
JavaScript
Title
daterangepicker set maxdate
Category
JavaScript
Title
get and set es6
Category
JavaScript
Title
how to make vue app talk to backend on 8000
Category
JavaScript
Title
how to assign same value of a key to 2 different keys in output JSON jolt
Category
JavaScript
Title
javascript append to object
Category
JavaScript
Title
choose random from array javascript
Category
JavaScript
Title
bookshelf insert multiple rows
Category
JavaScript
Title
capturar el valor de un input con jquery
Category
JavaScript
Title
href before onclick js
Category
JavaScript
Title
create react component class
Category
JavaScript
Title
array unique values javascript
Category
JavaScript
Title
Cannot find module '.json'
Category
JavaScript
Title
default pool size in sequelize
Category
JavaScript
Title
await async sleep
Category
JavaScript
Title
check if var is array js
Category
JavaScript
Title
first element of array js
Category
JavaScript
Title
faunadb ref
Category
JavaScript
Title
how to square a value in javascript
Category
JavaScript
Title
express get url parameters
Category
JavaScript
Title
how to find the index of a value in an array in javascript
Category
JavaScript
Title
how to add class to button in javascript
Category
JavaScript
Title
express get query params from url
Category
JavaScript
Title
add firebase angular
Category
JavaScript
Title
console.log('Hi there!');
Category
JavaScript
Title
get a div text content and store in a variable js
Category
JavaScript
Title
javascript ajax request
Category
JavaScript
Title
javascript anagram check
Category
JavaScript
Title
cordova capacitor document viewer fail
Category
JavaScript
Title
javascript arrow function
Category
JavaScript
Title
angular themeable components
Category
JavaScript
Title
how to remove a property from an object in javascript
Category
JavaScript
Title
how to add border to a text in html with javascript
Category
JavaScript
Title
http interceptor angular
Category
JavaScript
Title
install php7 runtime brackets
Category
JavaScript
Title
express js sample project
Category
JavaScript
Title
iterate over object javascript
Category
JavaScript
Title
get last item in array js
Category
JavaScript
Title
export apk react native
Category
JavaScript
Title
get selected text js
Category
JavaScript
Title
iframe loader jquery
Category
JavaScript
Title
how run dockerfile
Category
JavaScript
Title
element clicked js
Category
JavaScript
Title
.shift js
Category
JavaScript
Title
change node version
Category
JavaScript
Title
date object javascript
Category
JavaScript
Title
ionic modal navbar not showing
Category
JavaScript
Title
D3.js
Category
JavaScript
Title
Find the stray number
Category
JavaScript
Title
function to create an element javascript
Category
JavaScript
Title
Array Helpers
Category
JavaScript
Title
append new element for each value in array d3.js
Category
JavaScript
Title
drupal 8 check if current page is node
Category
JavaScript
Title
express json body
Category
JavaScript
Title
how to generate random string in javascript
Category
JavaScript
Title
inner html jquery
Category
JavaScript
Title
const{}=
Category
JavaScript
Title
how to assign onEdit to specigfic tab
Category
JavaScript
Title
expressjs query params
Category
JavaScript
Title
* http://sizzlejs.com/
Category
JavaScript
Title
how to use jQuery hide and show to display multiple images
Category
JavaScript
Title
Angular Quick Tip: Binding Specific Keys to the Keyup and Keydown Events
Category
JavaScript
Title
html get elements by class
Category
JavaScript
Title
input not detecting text
Category
JavaScript
Title
javascript add class to element
Category
JavaScript
Title
how to access the second class of an element javascript
Category
JavaScript
Title
iso to date javascript
Category
JavaScript
Title
javascript Check if an element is a descendant of another
Category
JavaScript
Title
add 2 class names react
Category
JavaScript
Title
how to get a random element of an array javascript
Category
JavaScript
Title
how to get session javascript ws3schools
Category
JavaScript
Title
javascript check if string is number
Category
JavaScript
Title
chart.js data from mysql vanila javscript
Category
JavaScript
Title
file input disable open file picker javascript
Category
JavaScript
Title
how to return the number of nodes in a linked list
Category
JavaScript
Title
how to deep copy object in javascript
Category
JavaScript
Title
access index of array javascript
Category
JavaScript
Title
array find method javascript
Category
JavaScript
Title
create array of objects javascript
Category
JavaScript
Title
include javascript jquery file in html
Category
JavaScript
Title
curl post file json
Category
JavaScript
Title
como diminuir quantidade de casas decimais javascript
Category
JavaScript
Title
cb() never called! npm ERR! This is an error with npm itself.
Category
JavaScript
Title
How to check if a member has a role discord.js
Category
JavaScript
Title
dumpdata json model dajngo
Category
JavaScript
Title
export default react
Category
JavaScript
Title
add dynamic value to id attribute in angular 8
Category
JavaScript
Title
for each python json
Category
JavaScript
Title
how to make a proxy server node.js
Category
JavaScript
Title
fs create or edit file
Category
JavaScript
Title
add a slash to string in javascript
Category
JavaScript