Backbone.js Event once()

The event once method is just like event on method but it causes the bound callback to only fire once before being removed.

Syntax:

Parameter explanation:

event: It is used to bind an object.

callback: It is executed whenever an event is fired. It references to the code.

context: It is an object that can be passed to a callback function.

Let's take an example.

See this example:

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Output:

Save the above code in once.html file and open this file in a browser.

BackboneJS Event once Method



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