Json Array With JS

var head = { "data" : [ { "name" : "Ram", "place"  : "Coimbatore" },         

                        { "name" : "Azar", "place"  : "Chennai"  },

                        { "name" : "Peter", "place"  : "Trichy"  }

                      ],                      

            } 

for(var i=0; i<=head.data.length; i++)

{  

    document.writeln(head.data[i].name + '===> ' + head.data[i].place);

}