Frequently Asked LWC Interview Questions & Answers

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Looking to nail your next LWC (Lightning Web Components) interview? 🚀 This video features a comprehensive list of frequently asked LWC interview questions, along with detailed explanations and examples to help you ace your interview! Whether you're a beginner or an experienced developer, this resource will help you brush up on key concepts and boost your confidence. Don't miss out on this essential guide to mastering LWC interviews - hit play now and take your skills to the next level!
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Опубликовано:

27 июн 2024

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Комментарии : 28

@Himanshukumar-pw4ys Месяц назад

key difference b/w track and api is : 1. track is used to observe the changes in properties object or array whereas api is used to make the property or method in a js file to be public so that the parent component can pass the data to the child component. Can we perform DML inside the wire or not? No, we cannot perform DML inside the wire as it is used only to retrieve the data from the salesforce database.

@haribabuk5162 Месяц назад

@track decorator is used in some properties only in lwc like array and object,if we want to change any properties in the array or object to make that properties reactive we can use @track decorator for an array or object. @Api decorator -@Api decorator is used to make property public , generally we used api properties in child component to receive the data from the parent component. we cannot perform DML operation inside wire, if we want to perform DML in imperative method for that we need to remove @AuraEnableCacheable = true for an apex method

@TechJourneyWithAnkit 8 дней назад

Correct

@sunilbihani7581 Месяц назад

Thank you so much @Ankit Sir. Its great.

@TechJourneyWithAnkit Месяц назад

Glad you liked it

@saisagar921 24 дня назад

Track is used with properties to track changes in Arrays or Objects Wire is Used with properties or functions to read data from apex No,we cant perform DML Inside wire Method Thank you so much sir for your videos and clear explanation

@TechJourneyWithAnkit 20 дней назад

Glad you found this helpful

@TheBeastBananas Месяц назад

Thanks. Waiting for more

@TechJourneyWithAnkit Месяц назад

Coming soon

@haribabuk5162 Месяц назад

Thanks for giving these type of knowledge

@TechJourneyWithAnkit Месяц назад

Glad you liked it

@ashwinkubde5232 Месяц назад

==> No, we cannot perform DML operations in wire since wire services are read-only services but we have workaround to perform DML we have to remove catchable=true and use it imperative ==> @track is internal to the component. @api expose a component's property or method to the parent component, so that parent can access it.

@TechJourneyWithAnkit Месяц назад

Correct

@naveenadapa1325 Месяц назад

Please Upload LWC Interview Questions

@kumarvenkat739 16 дней назад

Thank you so much Sir, I cannot finish a video without saying a Big THANK YOU to you

@TechJourneyWithAnkit 15 дней назад

Glad you liked it

@luciferbhoi Месяц назад

thank you so much, I was looking for this. Subscribed to the channel and looking forward to upcoming content. Also, when can we expect the next part

@TechJourneyWithAnkit Месяц назад

As soon as possible

@PoojaSinghal-cl6wj Месяц назад

1. Track decorator - used with properties to track changes in arrays or objects Wire decorator - used with properties or functions to read data from apex 2. we can’t perform DML inside wire

@TechJourneyWithAnkit Месяц назад

Correct

@kundlikyewale1464 20 дней назад

1. Track decorator - Used with properties to track changes in arrays or objects if any change occurs in track properties it will render the component Wire decorator - Used with properties or functions to read data from the apex where @AuraEnabled required 2. We can’t perform DML inside wire because which internally perform read operation to access the data

@TechJourneyWithAnkit 15 дней назад

Correct

@raghavendrasharma2466 Месяц назад

One of my interview, interviewer ask me if we make call-out from lwc, and response come bit late then how can we resolve this issue that response come fast.

@luciferbhoi Месяц назад

What would be the answer

@TechJourneyWithAnkit Месяц назад

I am not sure. There is something wrong in the question

@NaveenKumar-sd6mx Месяц назад

To make the response from the Lwc system faster, you can: 1. Make sure the most critical calls are handled first. 2. Simplify the steps needed to handle calls to reduce delays. 3. Ensure requests are sent through the quickest and most efficient paths.

@shrutiggundewar Месяц назад

Questions which were asked during interview- 1. There is multicurrency field created, how can we display the value of this field in lwc with currency 2. Create a login page on experience site with two fields - username and password. Upon click of submit button authenticate the credentials and accordingly show next page or error message.

@TechJourneyWithAnkit Месяц назад

Will consider this in upcoming videos