JSFiddle - React, Tailwind, and code Playground

by zachpainter77

HTML

<span id="output"></span>

JavaScript

var arr = [4, 5, 6],
	smax;
smax = arr.reduceRight(function (acc, curr) {
	return (acc > curr) ? acc : --curr;
}, arr[arr.length - 1]);
document.getElementById('output').innerText = smax;
console.log(smax);