How to display the number of the same models in a collection using backbone.js ?
119
0
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script>
<script type="text/javascript">
function test() {
var alllangs = new Backbone.Collection([
{name: "JAVASCRIPT"},
{name: "BACKBONE.JS"},
{name: "ANGULAR.JS"},
{name: "JAVASCRIPT"}
]);
var langs = alllangs.where({name: "JAVASCRIPT"});
alert(langs.length);
}
</script>
</head>
<body>
<button onclick="test()">click</button>
<hr>
<div>Result:</div>
<hr>
<div id="div1"></div>
</body>
</html>
By 9 years ago
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