The Backbone.JS At() collection method retrieves a model from a collection by using a specified index.
Syntax:
index()
Parameters:
index: This parameter is used to specify the index position for the retrieval of the model from a collection.
Example:
Example
Output:
Old Students List: [{"id":1,"name":"Tom"},{"id":2,"name":"Jerry"}]
New Students List: [{"id":1,"name":"Tom"},{"id":2,"name":"Jerry"},{"id":3,"name":"Bruno"}]
Explanation:
In the above example, the model ‘Student3’ is added at 2nd index of the collection.