JSFiddle - React, Tailwind, and code Playground

by simati

JavaScript

var arr1 = ["sue", "mike", "sue", "tom", "kathy", "henry"]; //arr1.length = 5
var arr2 = ["howey", "jim", "sue", "jennifer", "kathy", "hank", "alex"]; //arr2.length = 7

var commonValues = arr1.filter(function(value) { 
    return arr2.indexOf(value) > -1;
});

document.body.textContent = commonValues.join(", ");