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What are the basic differences between Application Event and Component Event in Salesforce?
What are the basic differences between Application Event and Component Event in Salesforce?
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2 Replies
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Component events are used to do communication between child and parent. They use bubbling and capture same as used in DOM events. A change in a child component can be communicated to the parent component via component event.
Application events are used to communicate any change in the component to a broader audience. Any component who has registered for this event will get a notified.
To use Component Event API we use the below syntax -
Component events are used to do communication between child and parent.
Application events are used to communicate any change in the component to a broader audience.
Adding some more points:
Application Events vs Component Events : Which/How to use for handling custom events in Lightning. Lightning framework is based on event-driven architecture which allows to communicate between different events. Lightning events can be fired or handled by javascript controller.
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