sample: get each value in array in json

HTML

<textarea id="tx" rows="10" cols="50"></textarea>
<textarea id="txt" rows="10" cols="50"></textarea>

JavaScript

var json = {
	{"hairetsu": "たんぼ"}, 
  "profile" :{
  		["hoge", "fuga", "piyo"],
  		["foo", "bar", "baz"],
  		["a", "b", "c"],
  		["matsu", "take", "ume"]
    }
};

var txt = document.querySelector("#txt");

for(var i = 0; i < json["hairetsu"].length; i++) {
		tx.value += json + "\n";
  for(var j = 0; j < json["hairetsu"][i].length; j++) {
  	txt.value += json["hairetsu"][i][j] + "\n";
  }
}