Some Simple Questions from a Complete Beginner

[Paul_Wilkins]

When it comes to function arguments and parameters, you might find that the middle of this post helps to reveal some good details.

Fat Arrow Function Clarification in React

You are intending to delete a movie, so you are filtering for everything that doesn’t match the movie being deleted. It’s this.state.movies.filter that results in the m variable. this.state.movies is a list where each item is a movie. The filter method passes each item (that being a movie) to the function. The function then receives that movie as the first parameter of the function. In this case, it is m that has been decided to refer to each movie in the list. Let’s start with code that do…