Modern JavaScript from the Beginning - Second Edition - Array.filter Method

The video tutorial covers high order array methods in JavaScript, focusing on the filter method. It explains the differences between forEach and filter, demonstrating how filter can be used to return modified arrays based on conditions. The tutorial includes examples of filtering even numbers and more complex object filtering. It concludes with a brief introduction to the map method, which will be covered in the next video.

What is the main difference between 'for each' and 'filter' methods in arrays?

Explain how the 'filter' method works with an example.

What does the 'for each' method return when executed?

What is the significance of using arrow functions in the context of array methods?

Describe the process of filtering out odd numbers from an array.

How can you use the 'filter' method to get only retail companies from an array of company objects?

What conditions would you use to filter companies that started in or after 1980 and ended in or before 2005?

Explain how to filter companies that lasted 10 years or more.

How does the 'filter' method enhance the functionality of arrays in JavaScript?

What are some practical applications of the 'filter' method in real-world scenarios?