HTML CSS and JavaScript for Beginners - A Web Design Course - Array Methods

The video tutorial covers various JavaScript array methods, including push, pop, shift, unshift, indexOf, sort, reverse, and splice. It explains how these methods can be used to add, remove, find, and sort elements within arrays. The tutorial emphasizes the importance of these methods in coding and provides a brief overview of their functionalities. Additionally, it highlights resources like the Mozilla Developer Network for further exploration of array methods.

What is the main advantage of using built-in array methods in JavaScript?

• They are only useful for small arrays.

• They are not recommended for beginners.

• They simplify adding and removing items from arrays.

• They make code more complex.

What does the 'push' method return when used on an array?

• The first item in the array.

• The index of the first item.

• The last item in the array.

• The new length of the array.

Which method would you use to remove the last item from an array?

• shift

• unshift

• pop

• splice

How does the 'shift' method affect an array?

• It adds an item to the end.

• It sorts the array.

• It removes the first item.

• It reverses the array.

What is the purpose of the 'indexOf' method?

• To add an item to the array.

• To find the index of a specific value.

• To remove an item from the array.

• To sort the array.

What does the 'sort' method do to an array?

• It adds a new item.

• It finds the index of a value.

• It removes the last item.

• It sorts the array values.

Which method would you use to extract a specific item from an array based on its index?

• unshift

• splice

• push

• pop