Riello Power India Frontend Developer Intern Interview Questions and Answers

Props in React are used to pass data from a parent component to a child component.

• Props are read-only and cannot be modified by the child component.

• Props are passed down the component tree.

• Props can be any type of data, such as strings, numbers, arrays, or objects.

• Example:

DOM manipulation in JavaScript involves accessing and modifying elements on a webpage.

• Use document.getElementById() to access an element by its id

• Use document.querySelector() to access an element using CSS selectors

• Use element.innerHTML to change the content of an element

• Use element.style to change the styling of an element