➏ Data Binding

➀ What is data binding?
➁ What are the different types of data binding?
➂ What kind of data binding does React allow?
➃ Which data is available for binding in React?

➐ Component Rendering

➀ What do you mean by rendering a component?
➁ Where to define rendering logic in a class-based component v/s function-based component?
➂ What may cause the rendering process slower?
➃ What is rerendering of a component and when does it happen?

➑ Introduction to Hooks

➀ What is a hook?
➁ Name the hooks which React provides out-of-the-box.
➂ What are the general conventions for naming a hook?
➃ From where can a React hook be called?
➄ Point out a few places where a hook can't be used.
➅ What is useState?

➆ Compare useState with the state management in class-based components.
➇ What is useEffect?
➈ Which life cycle methods are internally handled by useEffect?
➉ What is useRef?
➀➀ Give some scenarios where useRef should be used.

➀➁ Difference between useState and useRef.
➀➂ What is useContext?
➀➃ Explain how to manage contexts in components and how useContext fits in there.
➀➄ What is memoization and how does React achieve it?
➀➅ Explain the useMemo hook.

Reactjs interview Questions

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The CSS tree 👇
|
|── Text Styles
| |── color
| |── font
| | ├── font-family
| | ├── font-size
| | └── font-weight
| |── text-align
| |── text-decoration
| | ├── underline
| | └── line-through
| |── line-height
| └-─ letter-spacing
|
|── Box Model
| |── width
| |── height
| |── margin
| | ├── margin-top
| | ├── margin-right
| | ├── margin-bottom
| | └── margin-left
| |
| |── padding
| | ├── padding-top
| | ├── padding-right
| | ├── padding-bottom
| | └── padding-left
| |
| └-─ border
| |── border-width
| | |── border-top-width
| | |── border-right-width
| | |── border-bottom-width
| | └── border-left-width
| |── border-color
| | ├── border-top-color
| | ├── border-right-color
| | ├── border-bottom-color
| | └── border-left-color
| └── border-radius
| ├── border-top-left-radius
| ├── border-top-right-radius
| ├── border-bottom-left-radius
| └── border-bottom-right-radius
|
|── Positioning
| ├── position
| ├── top
| ├── right
| ├── bottom
| └── left
|
|── Layout
| ├── display
| ├── visibility
| ├── float
| └── clear
|
|── Flexbox
| ├── flex
| ├── flex-direction
| ├── flex-wrap
| ├── justify-content
| └── align-items
|
|── Grid Layout
| ├── grid-template-columns
| ├── grid-template-rows
| ├── grid-column
| ├── grid-row
| ├── grid-column-gap
| └── grid-row-gap
|
|── Colors and Background
| ├── background-color
| ├── background-image
| ├── background-repeat
| ├── background-position
| ├── background-size
| ├── color
| └── opacity
|
|── Transitions and Animations
| |── transition
| | ├── transition-property
| | ├── transition-duration
| | ├── transition-timing-function
| | └── transition-delay
| └── animation
| ├── animation-name
| ├── animation-duration
| ├── animation-timing-function
| ├── animation-delay
| ├── animation-iteration-count
| ├── animation-direction
| ├── animation-fill-mode
| └── animation-play-state
|
|___ Others
|── z-index
|── box-sizing
|── overflow
| ├── overflow-x
| └── overflow-y
|── cursor
└── box-shadow

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