What is the use of ‘prop-types’ library?
‘Prop-types’ library allows you to perform runtime type checking for props and similar object in a recent application.
Explain the meaning of Mounting and Demounting
The process of attaching the element to the DCOM is called mounting. The process of detaching the element from the DCOM is called the demounting process.
Can you update the values of props?
It is not possible to update the value of props as it is immutable.
Explain the term ‘Restructuring.’
Restructuring is extraction process of array objects. Once the process is completed, you can separate each object in a separate variable.
Can you update props in react?
You can’t update props in react js because props are read-only. Moreover, you can not modify props received from parent to child.
Ho can you re-render a component without using setState() function?
You can use forceUpdate() function for re-rending any component.
Explain the term reconciliation
When a component’s state or props change then rest will compare the rendered element with previously rendered DOM and will update the actual DOM if it is needed. This process…
How can you share an element in the parsing?
Using the State, we can share the data.
When should you use the top-class elements for the function element?
If your element does a stage or lifetime cycle, we should use top-class elements.
Explain the term synthetic events
It is actually a cross-browser wrapper around the browser’s native event. These events have interface stopPropagation() and preventDefault().