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BackboneJS - Collection Sort
Description
The collection sort command sorts the items in the collection and uses the comparator property to sort the items.
Syntax
collection.sort(options)
Parameters
options − It contains optional parameters such as true or false to disable or enable the sorting.
Example
<!DOCTYPE html> <html> <head> <title>Collection Example</title> <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> </head> <body> <script type = "text/javascript"> var Player = Backbone.Model.extend(); //'Player' is a model name //The variable 'Players' contains the items which are to be displayed in the ascending order var Players = [ {player: 'sachin',id: '44'}, {player: 'ganguly',id: '22'}, {player: 'dhoni',id:'33'} ]; //'myteam' is a collection instance and model 'Player' is specified using model property var myteam = new Backbone.Collection (Players, { model:Player, //The comparator method is used to maintain the collection in sorted order comparator: 'player' }); //display the sorted records, records are sorted based on player as we have set comparator to 'player' document.write("The sorted items are: ",JSON.stringify(myteam.toJSON())); </script> </body> </html>
Output
Let us carry out the following steps to see how the above code works −
Save the above code in the sort.htm file
Open this HTML file in a browser.
backbonejs_collection.htm
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