Q: How do you implement complex reactive data patterns in LWC using observables? A: Implement complex reactive data patterns by using a custom implementation of observables in JavaScript or integrating a reactive library like RxJS with LWC to manage asynchronous data streams. Q: How do you build a custom LWC directive similar to Angular’s directives? … Read more
Q: How do you implement complex reactive data patterns in LWC using observables? A: Implement complex reactive data patterns by using a custom implementation of observables in JavaScript or integrating a reactive library like RxJS with LWC to manage asynchronous data streams. Q: How do you build a custom LWC directive similar to Angular’s directives? … Read more
Q: How do you implement complex data transformations in LWC? A: Complex data transformations can be achieved by using JavaScript’s powerful array and object manipulation methods (e.g., map, reduce, filter), and leveraging libraries like Lodash for more intricate transformations. Q: How do you create a custom Lightning Data Service (LDS) adapter in LWC? A: Custom … Read more
Q: How do you optimize the performance of an LWC component? A: You can optimize performance by minimizing re-renders, using @wire efficiently, leveraging caching, avoiding deep nested components, and using lightning-emp-api for real-time updates. Q: How do you implement custom navigation in LWC? A: Custom navigation can be implemented using the NavigationMixin from lightning/navigation, allowing … Read more
Q: How do you debug LWC components? A: You debug LWC components using browser developer tools, console.log statements, and the Salesforce Lightning Inspector Chrome extension. Q: How do you handle pagination in LWC? A: Pagination can be handled by dividing data into chunks and providing navigation controls to switch between pages, often implemented with lightning-button … Read more
Q: How do you handle lifecycle hooks in LWC? A: You handle lifecycle hooks by defining methods like connectedCallback(), disconnectedCallback(), renderedCallback(), etc., in your LWC JavaScript class. Q: What is the @wire decorator in LWC? A: The @wire decorator is used to connect a property or method to Salesforce data using wire adapters and functions. … Read more
Q: How do you handle multiple templates in LWC? A: You handle multiple templates by using conditional rendering with template tags and lwc:if, lwc:elseif, and lwc:else directives. Q: How do you use the lightning-icon component? A: You use the lightning-icon component by specifying the icon name and optional attributes like size and alternative text, e.g., … Read more
Q: How do you perform navigation to a record page in LWC? A: You use the NavigationMixin from lightning/navigation to navigate to a record page. Q: What is a reactive getter in LWC? A: A reactive getter is a getter that automatically updates when its dependent properties change. Q: How do you import external JavaScript … Read more
Q: How do you import multiple modules in LWC? A: You import multiple modules using the ES6 import syntax, e.g., import { LightningElement, api, track } from ‘lwc’;. Q: What is a wire adapter in LWC? A: A wire adapter is a built-in mechanism to connect a property or method to Salesforce data using the … Read more
Q: What is a Lightning Web Component (LWC)? A: LWC is a framework for building user interfaces in Salesforce using modern web standards like HTML, JavaScript, and CSS. Q: How does LWC differ from Aura components? A: LWC uses native web standards and provides better performance, simpler syntax, and improved developer productivity compared to Aura … Read more