Javascript Data Type How to - Iterate through associative array using sequential for loop

Question

We would like to know how to iterate through associative array using sequential for loop.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!--from   www . j  a v a 2 s.  c o  m-->
var obj={'key1': 'value1','key2':'value2'};
for (var index in obj) {
    if (!obj.hasOwnProperty(index)) {
        continue;
    }
    document.writeln(index);
    document.writeln('<br/>');
    document.writeln(obj[index]);
    document.writeln('<br/>');
}

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

The code above is rendered as follows: