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- BackboneJS - Sync
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BackboneJS - Collection Fetch
Description
It extracts the data from the model in the collection using the sync method.
Syntax
collection.fetch(options)
Parameters
options − It takes the success and error callbacks which will be both passed as arguments.
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"> //The sync() method represents state of a model Backbone.sync = function(method, model) { //The 'method' gives 'read' state of the model by representing data in JSON format document.write("The fetched details are: ",method + ": " + JSON.stringify(model)); }; //The collection instance 'details' contains the values which are to be fetched in the collection var details = new Backbone.Collection ({ Name:"Sachin Tendulkar", Country:"India" }); //This will display the model state by delegating the 'sync()' method details.fetch(); </script> </body> </html>
Output
Let us carry out the following steps to see how the above code works −
Save the above code in the fetch.htm file.
Open this HTML file in a browser.
backbonejs_collection.htm
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