How do you add and condition in aura?

Only one branch is created and rendered. Switching condition unrenders and destroys the current branch and generates the other. In aura:if tag we can not use && , AND , || , OR operator for multiple conditions in isTrue attribute, but we can use logical functions in aura:if tag like or() , and() .

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And another question, what is event getparam in lightning?

getParam(. Returns the value of an event's parameter. Can I call Aura from LWC? Lightning web components can import methods from Apex classes into the JavaScript classes using ES6 import. Once after importing the apex class method you can able to call the apex methods as functions into the component by calling either via the wire service or imperatively.

How do you call your parent's aura?

To call a method of Child Component from Parent, we need to make use of . executes in a Synchronous manner and hence it is easy to return a value from . Then, what is lightning out? Lightning Out is a technology where one can take Lightning components built on the Force.com platform to the external applications like Sharepoint, SAP, Node apps on Heroku and many others.

And another question, how do you create an aura event?

Create a custom component event using the tag in a . evt resource. Events can contain attributes that can be set before the event is fired and read when the event is handled. Use type=""COMPONENT"" in the tag for a component event. How do you fire an aura event? Click File | New | select Lightning Event. Name it as desired like cmpEvent just as the one I'm using in this post. Click Submit button. It will give you a default code ? Use type="COMPONENT" and change the self-closing tag to open and close tags like the one below.