Q131. What are render props?
**Render Props** is a technique for sharing code/logic between components using a prop whose value is a function that returns a React element. Instead of duplicating stat...
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Q132. How to use class field declarations syntax in React classes?
React Class Components can be made much more concise using the class field declarations. You can initialize the local state without using the constructor and declare clas...
Q133. What are the limitations with HOCs?
Higher-order components come with a few caveats apart from its benefits. Below are the few listed in an order, 1. **Don’t use HOCs inside the render method:** It is not r...
Q134. Give an example on How to use context?
**Context** is designed to share data that can be considered **global** for a tree of React components. For example, in the code below lets manually thread through a “the...
Q135. Is ref argument available for all functions or class components?
Regular function or class components don’t receive the ref argument, and ref is not available in props either. The second ref argument only exists when you define a compo...
Q136. How to create react class components without ES6?
If you don’t use ES6 then you may need to use the create-react-class module instead. For default props, you need to define getDefaultProps() as a function on the passed o...
Q137. How do you create HOC using render props?
You can implement most higher-order components (HOC) using a regular component with a render prop. For example, if you would prefer to have a withMouse HOC instead of a c...
Q138. What are React Mixins?
**⚠️ DEPRECATED:** Mixins are considered legacy and should not be used in modern React applications. _Mixins_ were a way to share common functionality between components ...