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What is API in LWC?

To expose a public property, decorate a field with @api. Public properties define the API for a component. Public methods are part of a component's API. To communicate down the containment hierarchy, owner and parent components can call JavaScript methods on child components.

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What is the difference between aura and LWC?

LWC is built directly on the Web stack, unlike Aura components which are built using both HTML and Javascript. A developer who works on LWC is also using coding skills in other frameworks, which are based on the Web Stack.

When should I use renderedCallback?

The renderedCallback() is unique to Lightning Web Components. Use it to perform logic after a component has finished the rendering phase. This hook flows from child to parent. When a component renders, the expressions used in the template are reevaluated. What is enqueueAction aura? 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).

Also, what is slot lwc?

When you want to send markup (maybe some HTML code or HTML markup with predefined slds class names) from parent component to child component this is where slots in LWC are used. So, the gist is, use properties to send data from parent to child components and use slots to send markup from parent to child component. And another question, what is a enqueueaction action? EnqueueAction (action) adds the server-side controller action to the queue of actions to take. All queued actions will be executed at the end of the event loop.

What is slot LWC?

This is where slots in LWC are used when you want to send markup from the parent component to the child component. The idea is to use properties to send data from parent to child component and to use slots to send markup from parent to child component.

Correspondingly, how is hasrecordid used in lightning component?

force:hasRecordId in Custom Lightning Component development Create the below lightning component. AccountLightningComponent.cmp: Create a Quick Action button as below. Add the Quick Action to the page layout. Open any account record and click Account Lightning Component. You can also ask can we use multiple controller in lightning component? There is no way so far for multiple apex controllers link to one aura component. but component allows include child components or inherited from super component. Each component has one controller.

By Obeng

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