This is more of just a general curiosity question, but I wanted to know which will fire or complete first. I have set up console.log() in each one but haven't been able to verify anything from that.

  <ltng:require scripts="{!$Resource.MomentJs}" afterScriptsLoaded="{!c.afterScriptsLoaded}" />
  <aura:handler name="init" value="{!this}" action="{!c.doInit}"/>

This is an example of what I'm using, the resource being Moment.js and the doInit function is simply console logging "init" in the controller.


1 Answer 1


aura:init always runs first, as it runs the moment the component is constructed via $A.createComponent/$A.createComponents (or the internal library equivalent), even before it exists in the DOM. All other events, including aura:render, aura:wait, aura:afterRender, and so on fire later in the life cycle.

  • awesome, just found a developer document on it, but your answer has a much more in depth explanation. Thanks
    – MMeadows
    Dec 26, 2017 at 16:34
  • @MikeMeadows The docs are mostly correct, but even with a 150Mbps connection, I've never seen an afterScriptsLoaded end up going before an init, in practice.
    – sfdcfox
    Dec 26, 2017 at 16:40
  • So there's no way to load an external library for use in the init event then? Jun 8, 2018 at 17:11
  • @ScottMorrison I don't know what you're trying to do, but as far as I'm aware, it's likely impossible. You might want to ask a separate question with code so we can see what you're talking about.
    – sfdcfox
    Jun 8, 2018 at 17:26

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.