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

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

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

Salesforce InterviewSalesforce LWCLWC Interview Questions

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