Most Important and Commonly Asked Salesforce Interview Questions on Lightning Web Components

LinkedIn - https://www.linkedin.com/in/pankaj-andhale-1b664a51 Q 1: What is Lightning Web Component ? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 2: What was the need Lightning Web Component ? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 3: What difference you feel while working with Lightning Web Component as compared to Aura Component? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 4: What are benefits of LWC? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 5: Can we use LWC inside Aura and Vice-Versa? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 6: Can we communicate between aura and LWC Components? https://knowledgepredator.com/2020/06/07/introduction-to-lightning-web-components/ Q 7: What are life Cycle Hooks in LWC? https://knowledgepredator.com/2020/06/14/life-cycle-hooks-in-lightning-web-components/ Q 8: What are decorators in LWC? https://knowledgepredator.com/2020/06/13/decorators-and-properties-in-lightning-web-components/ Q 9:What is use of @api and @track Decorators? https://knowledgepredator.com/2020/06/13/decorators-and-properties-in-lightning-web-components/ Q 10: Explain @wire decorator? https://knowledgepredator.com/2020/06/15/lightning-web-componentswire-and-imperative-apex-server-calls-in-lwc/ Q 11: Is it mandatory to write cacheable = true for aura enabled method bind with @wire decorator? https://knowledgepredator.com/2020/06/15/lightning-web-componentswire-and-imperative-apex-server-calls-in-lwc/ Q 12: What is imperative call to Server in LWC? https://knowledgepredator.com/2020/06/15/lightning-web-componentswire-and-imperative-apex-server-calls-in-lwc/ Q 13: Can we write cacheable = true on server side method called using imperative way in LWC? https://knowledgepredator.com/2020/06/15/lightning-web-componentswire-and-imperative-apex-server-calls-in-lwc/ Q 14: What is one-way binding and two way binding. Which one is there in LWC? https://www.youtube.com/watch?v=ZEMpMMSWJvo&list=PLzFf5oGFkpPvn_hIAvqJNlXZqTPps6S7O&index=11 Q 15: Can we make the Wire method to refresh forcefully and bring fresh data from server? Q 16: What are custom Events in LWC? https://knowledgepredator.com/2020/06/13/lwc-communication-between-components-from-child-to-parent-using-custom-events/ Q 17: How can we communicate from parent component to child component in LWC ? https://knowledgepredator.com/2020/06/13/communicating-from-parent-to-child-component-in-lwc/ Q 18: How can we communicate from child component to parent component in LWC ? https://knowledgepredator.com/2020/06/13/lwc-communication-between-components-from-child-to-parent-using-custom-events/ Q 19: How can we pass data from parent component to child component in LWC ? https://knowledgepredator.com/2020/06/13/communicating-from-parent-to-child-component-in-lwc/ Q 20: Can we call child Component method from parent in LWC? https://knowledgepredator.com/2020/06/13/lwc-communication-between-components-from-child-to-parent-using-custom-events/ Q 21: How can we communicate between unrelated components in LWC? https://knowledgepredator.com/2020/06/14/communication-between-unrelated-components-using-publisher-subscriber-pattern-lwc/ Q 22: What is pub sub in LWC? https://knowledgepredator.com/2020/06/14/communication-between-unrelated-components-using-publisher-subscriber-pattern-lwc/ Q 23: What is Lightning Message Service in LWC? Q 24: Explain the Folder Structure of LWC Component? https://knowledgepredator.com/2020/06/11/lightning-web-component-bundle-folder-structure/ Q 25: Can we include more than one JavaScript file in LWC Component? https://knowledgepredator.com/2020/06/11/lightning-web-component-bundle-folder-structure/ Q 26: Can we include more than one HTML file in LWC Component? https://knowledgepredator.com/2020/06/11/lightning-web-component-bundle-folder-structure/ Q 27: How can we include LWC Component inside Home Page, Record Page or App Page in Salesforce? https://knowledgepredator.com/2020/06/11/lightning-web-component-bundle-folder-structure/ Q 28: How can we add Spinners in LWC? https://knowledgepredator.com/2020/06/17/lightning-web-componentsspinners-and-toast-messages-in-lwc/ Q 29: How can we add Toast Messages in LWC? https://knowledgepredator.com/2020/06/17/lightning-web-componentsspinners-and-toast-messages-in-lwc/ Q 30: How to include LWC Component inside VF Page? Q 31: How to communicate between Aura and LWC component? Q 32: What is Validity Attribute in LWC? https://www.youtube.com/watch?v=n3zrpJ9skrQ&list=PLzFf5oGFkpPvn_hIAvqJNlXZqTPps6S7O&index=13 Q 33: How to set custom validity in LWC? https://www.youtube.com/watch?v=n3zrpJ9skrQ&list=PLzFf5oGFkpPvn_hIAvqJNlXZqTPps6S7O&index=13 Join Graphy/unacademy using this link https://www.graphy.com?fpr=pankaj96 and get best discounts on the courses.