backbone.jsHow do I determine the length of a collection in Backbone.js?
To determine the length of a collection in Backbone.js, you can use the length
property. This property returns the number of models in the collection.
For example:
var collection = new Backbone.Collection([
{name: 'John', age: 28},
{name: 'Jack', age: 30}
]);
console.log(collection.length);
// Output: 2
The code above creates a new Backbone Collection with two models. The length
property returns the number of models in the collection, which in this case is 2.
The following list contains the parts of the code above with an explanation of each part:
var collection = new Backbone.Collection([
: Creates a new Backbone Collection.{name: 'John', age: 28},
: Creates a model with the propertiesname
andage
.{name: 'Jack', age: 30}
: Creates another model with the propertiesname
andage
.]);
: Closes the array of models.console.log(collection.length);
: Logs the length of the collection to the console.// Output: 2
: The output of the code.
Helpful links
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