Why we use $a in lightning component?
The $A namespace is the entry point for using the framework in JavaScript code. It allows you to interact with the framework.
When $A getCallback () is used in Salesforce?
Use $A. getCallback() to wrap any code that modifies a component outside the normal rerendering lifecycle, such as in a setTimeout() call. The $A. getCallback() call ensures that the framework rerenders the modified component and processes any enqueued actions.
What is a enqueueAction action in lightning?
enqueueAction(action) sends the request the server. More precisely, it adds the call to the queue of asynchronous server calls. That queue is an optimization feature of Lightning.
What is SF lightning?
What Is Salesforce Lightning? Salesforce Lightning is the next generation of the CRM platform and user experience. With a convenient new design, more productivity tools, AI functionality, Lightning assists in streamlining business processes.
What is lightning getCallback?
getCallback() to wrap any code that modifies a component outside the normal rerendering lifecycle, such as in a setTimeout() call. The $A. getCallback() call ensures that the framework rerenders the modified component and processes any enqueued actions.
What is callback in Salesforce?
Remote Objects sends all requests to the Salesforce service asynchronously. Your code handles responses to Remote Objects operations in a callback function that you provide. Callback functions handle updating the page with the results of the operation and errors that are returned.
What is the purpose of enqueueAction?
enqueueAction() The framework queues up actions before sending them to the server. This mechanism is largely transparent to you when you're writing code but it enables the framework to minimize network traffic by batching multiple actions into one request (XHR).
Is lightning synchronous or asynchronous?
Are lightning event synchronous or asynchronous? Yes.
Can we use multiple controller in lightning component?
You cannot use two Apex controller in Lightning Component, but you can Extends the Component and use Super Component controller action in sub component.
What is LWC in Salesforce?
What are Lightning Web Components? LWC is a new programming model to develop Salesforce lightning components. It's a UI framework that is built using native HTML and modern JavaScript.
What is the difference between LWC and Aura components?
Aura and LWC can be able to communicate using Public API's and Events. LWC can be embedded inside Aura Components, but Aura Components cannot be embedded inside LWC.
What is SRM Lightning?
Lightning (Salesforce Lightning) is a component-based framework for app development from Salesforce.com that is designed to simplify processes for business users, who typically do not have programming experience.
What is action setCallback in lightning?
setCallback() Sets the callback function that is executed after an Apex action returns.
What is Handler in lightning component?
The init handler is defined to execute some code when the component is initialized. That code (doInit) is defined in the component's client-side controller (you'll implement the controller in the next step).
How do you use iteration on aura?
5:4011:5316 Apply Iteration or Loop on Collection in Aura ComponentYouTubeStart of suggested clipEnd of suggested clipSo aura iteration items equals to v dot acc. List. So whenever we use any attribute uh in the u inMoreSo aura iteration items equals to v dot acc. List. So whenever we use any attribute uh in the u in the view of this component. So we need to use v dot.
What is client-side and server-side controller in Salesforce?
For example, a client-side controller might handle an event and call an Apex controller action to persist a record. Server-side actions need to make a round trip, from the client to the server and back again, so they usually complete more slowly than client-side actions.
What is Salesforce Lightning?
Salesforce Lightning is the latest iteration of the well-known cloud-based CRM software from Salesforce. It features new and advanced functionaliti...
What is the difference between Salesforce Lightning and Classic?
Salesforce Classic is the original user interface associated with Salesforce, and many customers continue to use it. However, since the release of...
Can users stay on Salesforce Classic?
Salesforce has not announced whether Classic will be retiring or when that might happen. But new users are now automatically set up on Lightning wh...