Find out how to get the content of [{},{},{}]

Question

//Please help me understand the attributes of [{},{}]

var ara = [{s:"s"},{a:"a",e:"500"}, {b:"b",f:"400"}];

var he = "";

for(var i=0;i<ara.length;i ){

};

alert(he);

Answer 1

This is obviously data in json format. Just convert it into an array and then loop through it to get the value.