how to find unique elements in array in javascript
let a = ["1", "1", "2", "3", "3", "1"];
let unique = a.filter((item, i, ar) => ar.indexOf(item) === i);
console.log(unique);how to find unique elements in array in javascript
let a = ["1", "1", "2", "3", "3", "1"];
let unique = a.filter((item, i, ar) => ar.indexOf(item) === i);
console.log(unique);print elements in map java
// Java 8 - Collection.iterator() + Iterator.forEachRemaining()
map.keySet().iterator()
.forEachRemaining(System.out::println);Copyright © 2021 Codeinu
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