javascript json encode and decode

HTML

<div id="jsondata"> 
</div>

JavaScript

$(document).ready(function(){
alert('hi');
	var data=[{name:"data"},{ time:"data2"},{ age:"data3"}];
  var sizeofdata=$(data).size();
  data.forEach(function (x){
  alert('hi');
 $(x+'<br>').appendTo('#jsondata');
 });
});