String.prototype.shuffle = function () {
var a = this.split(“”),
n = a.length;
for(var i = n - 1; i > 0; i--) { var j = Math.floor(Math.random() * (i + 1)); var tmp = a[i]; a[i] = a[j]; a[j] = tmp; } return a.join("");}console.log("the quick brown fox jumps over the lazy dog".shuffle());//-> "veolrm hth ke opynug tusbxq ocrad ofeizwj"console.log("the quick brown fox jumps over the lazy dog".shuffle());//-> "o dt hutpe u iqrxj yaenbwoolhsvmkcger ozf "
