JSFiddle - React, Tailwind, and code Playground

by Kaleb Hornsby

HTML

<script src="https://raw.github.com/fitzgen/wu.js/master/lib/wu.js"></script>

JavaScript

var str = {};
str.reverse = function(self) {
    return self.split("").reverse().join("");
};
str.palindromicity = function(self) {
    return str.reverse(String(self)) == self;
};
console.log(Math.max.apply(null,wu.Iterator((function(n,m) {
    var i = n, j = n + 1;
    return function() {
        if (j==m) this.stop();
        return i <= j? (i = n) * --j : --i * j;
    };
})(999,900)).filter(str.palindromicity)));