React useState() Hook Quiz
The code inside the return block of useEffect runs at which of the following action?
If code is inside return block of useEffect then It is intended to run before component unmounting or before execution of next scheduled useEffect.
How many calls we can make for useEffect or useState in a single component?
React does not restrict the number of calls.
Which of the following is associated with the execution of useEffect in react?
UseEffect runs synchronously, there for it does not block the browser from rendering during its scheduled effects.
Return function inside useEffect is called?
It's a name for the function.
Which of the following could be an application of return function in useEffect?
Return function also called cleanup function is used to clear all unwanted things after useEffect ends. So it can be applied for all these options.
Which of the following can be the possible arguments of useEffect()?
UseEffect() can take two possible arguments which are Callback function and dependency array.