Pregunta de entrevista de BrowserStack

-Very standard react questions related to usestate useEffect hooks, rendering normal var vs useState var using UseEffect -Diff between arrow function and normal functions in js -When to use UseRef what use case can we store normal variables in that -the difference between creating an instance of an arrow and a normal function by using the new keyword - centre a div inside a div without using flex or grid -different ways to inject a js file in an HTML file