how to loop through json array in jquery?

Question

I have a php page from which I get response in json:

[{\'com\':\'something\'},{\'com\':\'some other thing\'}]

I want to loop it and append

Answer 1

var data=[{'com':'something'},{'com':'some other thing'}];
$.each(data, function() {
  $.each(this, function(key, val){
    alert(val);//here data 
      alert (key); //here key

  });
});