Madanswer Technologies Interview Questions Data|Agile|DevOPs|Python - Recent questions in React Hooks

Why are inline ref callbacks or functions not recommended in ReactJS?

Wed, 01 Nov 2023 04:29:21 +0000

Why are inline ref callbacks or functions not recommended in ReactJS?

What is character class subtraction in Regular expressions?

Thu, 17 Aug 2023 01:23:34 +0000

What is character class subtraction in Regular expressions?

What is the namespace represented the Regular expressions in C#.NET?

Tue, 15 Aug 2023 23:29:07 +0000

What is the namespace represented the Regular expressions in C#.NET?

What is the difference between ([PQR]+) and ([PQR])+?

Tue, 15 Aug 2023 23:28:29 +0000

What is the difference between ([PQR]+) and ([PQR])+?

What is NonCapturingGroup Regular expressions?

Tue, 15 Aug 2023 23:27:52 +0000

What is NonCapturingGroup Regular expressions?

What is CapturingGroup Regular expressions?

Tue, 15 Aug 2023 23:27:12 +0000

What is CapturingGroup Regular expressions?

Can we give regular expression range in descending order like [20-10] ?

Tue, 15 Aug 2023 23:26:33 +0000

Can we give regular expression range in descending order like [20-10] ?

What is meta character in Regular expressions?

Tue, 15 Aug 2023 23:25:51 +0000

What is meta character in Regular expressions?

What is regular expression flags ?

Tue, 15 Aug 2023 23:25:11 +0000

What is regular expression flags ?

What is escape sequence character in Regex?

Tue, 15 Aug 2023 23:24:31 +0000

What is escape sequence character in Regex?

What is meta character represent the space in Regular expressions?

Tue, 15 Aug 2023 23:23:51 +0000

What is meta character represent the space in Regular expressions?

What is the meaning "(?" in Regula expressions?

Tue, 15 Aug 2023 23:23:09 +0000

What is the meaning "(?" in Regula expressions?

What is lookbehind in Regular expressions?

Tue, 15 Aug 2023 23:22:27 +0000

What is lookbehind in Regular expressions?

What is Lazy quantifiers *? ,+?,?? ?.

Tue, 15 Aug 2023 01:44:18 +0000

What is Lazy quantifiers *? ,+?,?? ?.

What is the use of parentheses in Regular expressions?

Tue, 15 Aug 2023 01:42:46 +0000

What is the use of parentheses in Regular expressions?

What is ? (Or) optional character in Regular expressions?

Tue, 15 Aug 2023 01:41:53 +0000

What is ? (Or) optional character in Regular expressions?

What is Character class in Regular expressions?

Tue, 15 Aug 2023 01:41:07 +0000

What is Character class in Regular expressions?

What is the difference between \Z and $ in Regular expressions?

Tue, 15 Aug 2023 01:40:14 +0000

What is the difference between \Z and $ in Regular expressions?

What are common use cases for the useMemo?

Tue, 30 May 2023 16:31:48 +0000

What are common use cases for the useMemo?

How to use componentWillMount() in React Hooks?

Tue, 30 May 2023 16:31:23 +0000

How to use componentWillMount() in React Hooks?

How can I make use of Error Boundaries in functional React components?

Tue, 30 May 2023 16:30:55 +0000

How can I make use of Error Boundaries in functional React components?

Explain the difference between useState and useRef hooks?

Tue, 30 May 2023 16:30:24 +0000

Explain the difference between useState and useRef hooks?

Do two components using the same Hook share state?

Tue, 30 May 2023 16:30:00 +0000

Do two components using the same Hook share state?

Can you initialise state from a function? Provide and example

Tue, 30 May 2023 16:29:37 +0000

Can you initialise state from a function? Provide and example

What is useState() in React?

Tue, 30 May 2023 16:28:52 +0000

What is useState() in React?

Problem

Explain what is the use of useState(0) there:

...

const [count, setCounter] = useState(0);

const [moreStuff, setMoreStuff] = useState(...);

...

const setCount = () => {

    setCounter(count + 1);

    setMoreStuff(...);

    ...

};

Provide an example of any simple Custom React Hook. Why do we need Custom Hooks?

Tue, 30 May 2023 16:28:26 +0000

Provide an example of any simple Custom React Hook. Why do we need Custom Hooks?

How to call loading function with React useEffect only once?

Tue, 30 May 2023 16:28:02 +0000

How to call loading function with React useEffect only once?

How to access DOM elements in React?

Tue, 30 May 2023 16:27:31 +0000

How to access DOM elements in React?

What are React Hooks?

Tue, 30 May 2023 16:26:42 +0000

What are React Hooks?