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Simple McQ test question from rdbms and reasoning.
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I applied via Naukri.com and was interviewed in Jun 2020. There were 4 interview rounds.
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posted on 22 Nov 2024
Application developement
I applied via Naukri.com and was interviewed before Jan 2024. There was 1 interview round.
React has three main phases in its lifecycle: mounting, updating, and unmounting.
Mounting: when a component is created and inserted into the DOM
Updating: when a component is updated due to changes in props or state
Unmounting: when a component is removed from the DOM
Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()
React also has error handling methods,
Strict mode is a way to write secure and optimized JavaScript code.
Enables catching of silent errors
Disallows duplicate property names or parameters
Prevents use of undeclared variables
Makes `eval()` safer to use
Throws errors on invalid usage of `this` keyword
CURD operations along with implementation of a mock UI
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