JSFiddle - React, Tailwind, and code Playground

by Nic Fontaine

JavaScript

var repeatedSubstringPattern = function(s) {
    let subs = "";
    let i = 0;
    for (const a of s) {
        subs += a;
        if (subs.repeat(s.length / subs.length) === s) return true;
        i++;
    }
    return false;
};
console.log(repeatedSubstringPattern("aba"));