Q91. What is prop drilling?
Prop Drilling is the process by which you pass data from one component of the React Component tree to another by going through other components that do not need the data ...
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Q92. Why the component data must be a function?
The component data must be a function instead directly providing the object. This is because each instance needs to maintain an independent copy of the returned data obje...
Q93. What is the difference between useState and useRef hook?
1. useState causes components to re-render after state updates whereas useRef doesn’t cause a component to re-render when the value or state changes. Essentially, useRef ...
Q94. What is the reason for recommendation for multi-word component names?
Component names should always be multi-word, except for root level or built-in vue components(such as `` or `` etc). This recommendation is to prevent conflicts with exis...
Q95. What is a wrapper component?
A wrapper in React is a component that wraps or surrounds another component or group of components. It can be used for a variety of purposes such as adding additional fun...
Q96. What is the best way to re-render a component?
The best way to force Vue to re-render a component is to set a `:key` on the component. i.e, Whenever the component to be re-rendered, just change the value of the key th...
Q97. What are the differences between Functional and Class Components?
There are two different ways to create components in ReactJS. The main differences are listed down as below, ## 1. Syntax: The class components uses ES6 classes to create...
Q98. What is the benefit of strict mode?
The will be helpful in the below cases, 1. To find the bugs caused by impure rendering where the components will re-render twice. 2. To find the bugs caused by missing cl...
Q99. Why does strict mode render twice in React?
StrictMode renders components twice in development mode(not production) in order to detect any problems with your code and warn you about those problems. This is used to ...
Q100. What will happen by defining nested function components?
Technically it is possible to write nested function components but it is not suggested to write nested function definitions. Because it leads to unexpected bugs and perfo...