SALARPURIA SATTVA Salesforce Developer Interview Questions and Answers

Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in web development.

• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• Changes are first made to the Virtual DOM, then compared with the actual DOM to only update what has changed.

• This process helps reduce the number of updates needed and improves the overall speed of the appli

State is mutable data managed internally by a component, while props are immutable data passed from parent to child components.

• State is managed internally by the component and can be changed using setState() method

• Props are passed down from parent to child components and cannot be changed by the child component

• State is used for data that can change over time within a component, while props are used for passing data fro