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Activity › Forums › Salesforce® Discussions › How to use <aura:handler/> in Salesforce Lightning?

  • Ratnesh

    Member
    February 4, 2020 at 2:32 PM

    <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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