Random Strings of Random Characters

var words = [];

for (var i = 0; i < Math.floor(Math.random() * 10) + 1; i++) {
    var word = "";
    for (var j = 0; j < Math.floor(Math.random() * 20) + 1; j++) {
        var rand = Math.floor(Math.random() * 50) + 65;
        word += String.fromCharCode(rand);
    }
    words.push(word);
}

console.log(words);