A _______ function is a function that accepts up to three arguments: the value of the element, the index of the element, and the array object being traversed.
- callback
- handler
- middleware
- delegate
In JavaScript, a callback function is a function that can be passed as an argument to another function. Callback functions can accept up to three arguments: the value of the element, the index of the element, and the array object being traversed. They are commonly used in asynchronous programming and array methods.
Loading...
Related Quiz
- The _______ pattern allows a new object to be created by cloning an existing object to avoid the overhead of creating an object from scratch.
- You are developing a function that needs to maintain state between calls without using global variables. Which JavaScript feature would you utilize to achieve this?
- Why might for...of loops be preferred when working with asynchronous code?
- You are designing a car simulation game using JavaScript. Each type of car (e.g., sedan, truck, etc.) has different methods for calculating fuel efficiency. Which object-oriented programming concept would be most appropriate to ensure that each car type can calculate fuel efficiency in its own way, while still inheriting basic characteristics from a general Car class?
- Which method can be used to stop the event from propagating in the capturing or bubbling phase?