JavaScript Questions Blog

What is Non null type assertion operator?

February 09, 2022

148

How error boundaries handled in React v15?

February 09, 2022

607

What is type narrowing?

February 08, 2022

365

What are the recommended ways for static type checking?

February 08, 2022

563

How do you describe various dependencies in angular application?

February 07, 2022

123

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

February 07, 2022

634

February 06, 2022

184

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

February 06, 2022

593

What is the purpose of common module?

February 05, 2022

148

What is ReactDOMServer?

February 05, 2022

1306

When to use a Class Component over a Function Component?

February 04, 2022

1919

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

18134

How to use styles in React?

February 02, 2022

1185

How events are different in React?

February 01, 2022

820

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

January 31, 2022

1912

What is the impact of indexes as keys?

January 30, 2022

632

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

January 29, 2022

1247

What will happen if you use props in initial state?

January 28, 2022

1657

How do you conditionally render components?

January 27, 2022

476

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

January 26, 2022

574

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