JavaScript Questions Blog

What is Non null type assertion operator?

February 09, 2022

157

How error boundaries handled in React v15?

February 09, 2022

609

What is type narrowing?

February 08, 2022

389

What are the recommended ways for static type checking?

February 08, 2022

573

How do you describe various dependencies in angular application?

February 07, 2022

132

What is the use of `react-dom` package?

February 07, 2022

641

February 06, 2022

189

What is the purpose of render method of `react-dom`?

February 06, 2022

611

What is the purpose of common module?

February 05, 2022

167

What is ReactDOMServer?

February 05, 2022

1353

When to use a Class Component over a Function Component?

February 04, 2022

1928

How to use innerHTML in React?

The dangerouslySetInnerHTML attribute is React's replacement for using innerHTML in the browser DOM. It is risky to use it considering XSS attacks.

February 03, 2022

18576

How to use styles in React?

February 02, 2022

1193

How events are different in React?

February 01, 2022

829

What will happen if you use `setState()` in constructor?

January 31, 2022

1963

What is the impact of indexes as keys?

January 30, 2022

640

Is it good to use `setState()` in `componentWillMount()` method?

January 29, 2022

1277

What will happen if you use props in initial state?

January 28, 2022

1677

How do you conditionally render components?

January 27, 2022

479

Why we need to be careful when spreading props on DOM elements?

January 26, 2022

590

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