What is '$A' in Lightning Component Aura Framework?
Mike Arthur • 9 June 2020
Whilst learning about Aura components, you will come across $A.
E.g. When making a call to the server from your javascript client controller to retrieve data from the Apex server controller, you queue up the action with '$A.enqueueAction(action)', or when you create a framework event you use '$A.get("e.force:createRecord")'
What is '$A' and where can I find out more about it?
The $A namespace is the entry point for using the framework in JavaScript code. It allows you to interact with the framework.
The methods available are listed here - https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning/ref_jsapi_dollarA.htm
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