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How do you display error message below input field in lightning component?
All you have to do is check the validity attribute of your lightning:input , and your configured error messages will appear below it automatically.
How do you use iteration on aura?
How to Use Aura Iteration In Lightning Component
- In this article we will go through:
- The items attribute tells the component which list to iterate.
- The var attribute let’s us name a variable that will contain the current element from the array we’re iterating over.
- Simple Iteration.
What do you need to know about aura components?
The Aura Components Basics Trailhead module walks you through building a form for creating an expense record. Client-side field validation provides an initial check for user data before submitting it to the server. Implement your own server-side validation to ensure that user data is saved in the expected format.
How to enforce user profile restrictions in aura?
This critical update enforces user profile restrictions for Apex classes used by Aura and Lightning Web Components. Users will need to have permission in their profiles or permission sets to access an Apex class. Aura or Lightning Web Components that call @AuraEnabled methods contained in these Apex classes may fail to load or operate correctly.
How does if and renderif work in aura?
The framework evaluates the isTrue expression and instantiates components either in its body or else attribute. aura:if instantiates the components in either its body or the else attribute, but not both. aura:renderIf instantiates both the components in its body and the else attribute, but only renders one.
How to validate fields in Lightning aura components?
Client-side field validation provides an initial check for user data before submitting it to the server. Implement your own server-side validation to ensure that user data is saved in the expected format. Consider the following guidelines.