What is $a in lightning Salesforce?

$A is how you gain access to the underlying Aura framework, such as enqueuing actions, getting application events, managing the Aura rendering life cycle, and various utility methods.

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Keeping this in consideration, how do you write if condition in lightning component?

The aura:if tag in lightning is used for the conditional rendering of the code. It is similar in functionality to the if-else of any programming language. It renders the content within the tag if the isTrue attribute evaluates to true. How do I know if my apex case sensitive? Try using the String. equals() method within Apex. It does a string comparison, but is case-sensitive.

Regarding this, how do you check if two strings are equal in apex?

Comparing Strings in ape. In apex you can check if two strings are equal with the Equals operator ==, this will return true if both strings are equals and false if unequal. To check if two strings are unequal, we can use the Not equals operator != . This will return true if both strings are unequal, false otherwise. Also, how do i check if apex is empty? Next Method is isEmpty() - using this method, it returns true if the set is empty. Boolean e=Tech. isEmpty(); system. debug('Using isEmpty() - Technology Set Empty : '+e);

Also, how do you check if a value exists in a list salesforce?

List ListOfString; //you want to find "xx" from ListOfString. for(string str : ListOfString){ //check for the value. if(str == xx){ //TODO Operation. } } Also, how does quick action increase width of lightning? How to increase the width of Quick action Modal/Popup? Step 1: Create a static CSS resource. CODE: .slds-modal__container{ width: 80% ! Step 2: Create a lightning component. Step 3: Create a Quick action to call the lightning component. Time to see it in action!

How do you display modal pop with a form inside a lightning component?

It is used for display and close the Modal/Popup. Final Output. Other related post that would you like to learn in lightning component. Step 1:- Create Lightning Application : modalPopupaApp.app. Step 2:- Create Lightning Component : modalPopupParent.cmp. Step 3:- Create Lightning Component : modalPopupParentController.js.