backbone/collection.max.html at master · netsider/backbone · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title></title>
</head>
<body>
  <script src="jquery-1.11.2.js"></script>
  <script src="underscore.js"></script>
  <script src="backbone.js"></script>
  <script>
	var count = 1;
  	var c = new Backbone.Collection();
	c.add([
		{ title: 'go to Belgium.', completed: false, age: 50, id: 1 },
		{ title: 'go to China.', completed: false, age: 50, id: 2 },
		{ title: 'go to Austria.', completed: true, age: 50, id: 3 }
	]);
	// console.log(c.max()); // Logs: "infinity"
	//
	// console.log(c.max(function(model) { // Working.
		// return model.get('id'); // Gets id attribute, so it can select max
	// }));
	//
	var maximum = c.max(function(model){ // Cannot get working
		return model.id;
	}).id;
	console.log(maximum);
  </script>
  </body>
</html>