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What are phases in Component Event in Salesforce?
What are phases in Component Event in Salesforce?
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1 Reply
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Component Event supports capture and bubble phases . Phases give you flexibility for how to best process the event for your application.
Capture Phase : In this, Event is captured and trickles down from the application root to the source component.The event can be handled by a component in the containment hierarchy that receives the captured event.
<aura:handler name="compEvent" event="c:compEvent" action="{!c.handleCapture}" phase="capture" />Bubble Phase : In this, Event can be handled by a component in the containment hierarchy that receives the bubbled event. The event then bubbles up from the source component to the application root.
<aura:handler name="compEvent" event="c:compEvent" action="{!c.handleBubbling}"/>
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