how to remove duplicates in an array es6 code example
Example 1: remove duplicate array es6
let a = [10,20,30,50,30];
let b = a.reduce((unique,item) => unique.includes(item) ? unique: [... unique, item] ,[]);
console.log(b);
Example 2: remove duplicate array es6
let a = [10,20,30,10,30];
let b = [... new Set(a)];
console.log(b);