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JavaScript JavaScript Loops, Arrays and Objects Tracking Data Using Objects Accessing All of the Properties in an Object

Use a for in loop to log each of the property names of the shanghai object to the console

task 1 of 2

script.js
var shanghai = {
  population: 14.35e6,
  longitude: '31.2000 N',
  latitude: '121.5000 E',
  country: 'CHN'
};
for (var strict in shanghai) {
  console.log(prop, shanghai[prop]);
}
index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript Objects</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

1 Answer

You're close but if you run that through the console you'll see 'Uncaught reference error: prop is not defined'. Try

for (var prop in shanghai) {
  console.log(prop);
}