Javascript Data Type How to - Iterate through a json

Question

We would like to know how to iterate through a json.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!-- w w  w  .j a v  a 2  s. com-->
var data = [{"US":"2"},{"England":"3"},{"Mexico":"5"},{"France":"1"},{"Canada":"9"},{"Spain":"11"},{"Italy":"0"},{"Australia":"0"},{"Japan":"0"},{"China":"0"},{"Korea":"0"}];
for (var key in data) {
   for (var key2 in data[key]) {
      document.writeln("Country " + key2 + " is " + data[key][key2]);
      document.writeln('<br/>');
   }
}

</script>
</head>
<body>
</body>
</html>

The code above is rendered as follows: