JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function inArray(array1, array2) {
    var sorted1 = array1.sort();
    var sorted2 = array2.sort();
    var returned = [];
    for (var i = 0; i < sorted1.length; i++) {
        for (var j = 0; j < sorted2.length; j++) {
            if (sorted1[i][0] == sorted2[j][0]) {
                returned.push(sorted1[i]);
                break;
            } else {
                returned.push();
            }
        }
    }
    return returned;
}

console.log(inArray(["tarp", "mice", "bull"], ["arp", "live", "strong"]));
console.log(inArray(["arp", "live", "strong"], ["lively", "alive", "harp", "sharp", "armstrong"]));