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How to use <aura:handler/> in Salesforce Lightning?
How to use <aura:handler/> in Salesforce Lightning?
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1 Reply
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<aura:handler... > is used for handle standard and custom events.
1. aura:valueInit - : Indicates that an app or component has been initialized.
<aura:handler name="init" value="{!this}" action="{!c.doInit}"/>2.aura:waiting -: Indicates that the app or component is waiting for a response to a server request. This event is fired before aura:doneWaiting.
<aura:handler event="aura:waiting" action="{!c.showSpinner}"/>3. aura:doneWaiting - : Indicates that the app or component is done waiting for a response to a server request.
<aura:handler event="aura:doneWaiting" action="{!c.hideSpinner}"/>
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