js array remove double values code example
Example 1: js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique);
Example 2: javascript dedupe array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let x = (names) => names.filter((v,i) => names.indexOf(v) === i)
x(names);
Example 3: js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let x = (names) => names.filter((v,i) => names.indexOf(v) === i)
x(names);