Top 100 React Interview Questions and Answer
Advantages of ReactJS
– Simplifies the process of writing component – Improves productivity and makes maintenance smoother – Delivers an excellent solution for high-load application – Ensures stable code
What is a virtual DOM?
Virtual DOM is more like making changes in software code than in the actual hardware. It is faster than DOM as it can be manipulated easily.
Why can’t browsers read JSX?
What is the purpose of render() in React?
The render() function must return something, be it null. The component file is called the render() method by default .
What are the Pure components in ReactJS?
The pure component helps to use the lifecycle method for comparing the states or props for any changes in the properties before re-rendering the component.
What is Redux?