Javascript/神経衰弱

javascript
var sArray = ["tubaki", "sazanka", "soyogo", "tubaki", "sazanka", "soyogo"];
for (var i=sArray.length-1; i>=0; i--){
  var rand = Math.floor(Math.random()*(i + 1));
  [sArray[i], sArray[rand]] = [sArray[rand], sArray[i]]
}
var sDiv = new Array();
var flg = 0;
var word;
for(var j=0; j