180 Interview Questions & Answers: Comprehensive Practice Test for Freshers & Experienced with Explanations
In good coding practice, you can define a single state as follow.const [userSuggestions, setUserSuggestion] = useState([{ id: 1, height: 100, width: 100, isCustom: false, isSelected: false }]); JavaScript CopyIn this case, you have to think about only one state. If another developer...
When we spread props we run into the risk of adding unknown HTML attributes, which is a bad practice. Instead we can use prop destructuring with ...rest operator, so it will add only required props. For example, const ComponentA = () => <ComponentB isDisplay={true} className={'compone...
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Average Challenge Score 0% 0.0 / 10 Entry Level: Need Practice Mid Level: Need Practice Senior Level: Need Practice Challenges Completed: 0 / 6 Take Mock Interview Challenges (6) 0% N/A React Button Toggle Challenge Easy 2k+ solutions Discussion N/A React Simple Counter Unlock Challenge ...
For some, it is common practice to denote a custom method added to a React Component by prefixing it with an underscore, hence _handleClick. _handleClick is passed as the onClick callback for a button in the code above. We can’t do this so easily in the ES6 API of React, because...
It is a good practice to centralize the state and pass it down the component tree as props. Whenever we have a group of components that need the same data, we should set a container element around them that will hold the state. Flux pattern is a nice way of handling the state in ...
Testing React applications— Building a continuous integration or deployment environment in which every pushed commit is automatically tested—and, if successful, deployed—has become standard practice. Conducting unit and integration testing helps to catch bugs before they happen, building user trust and...
You could come off as someone who lists skills without substantial knowledge or practice. Instead of just listing React, consider showcasing specific projects you've completed using React. This shows potential employers that you have practical experience with the technology and you're capable of ...
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