JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - forEach Method / 036

The video tutorial explains the use of the forEach method in JavaScript, focusing on how it iterates over array elements. It introduces the concept of callback functions and demonstrates how to implement them using arrow functions. Practical examples with product and student arrays illustrate how to access elements and indices, emphasizing readability and syntax simplification.

What is the purpose of the for each method in JavaScript?

Explain the concept of a callback function in the context of the for each method.

Describe how you would use the for each method to log each product in an array.

What happens if you do not store the callback function in a variable before using it?

How does the arrow function syntax differ from traditional function syntax?

How can you improve the readability of your code when using the for each method?

What is the output of using console.log on the length of a product string inside the for each method?

Can you provide an example of how to use the for each method with an array of student names?

In the context of the for each method, what is the significance of the index parameter?

What are the two main components that allow the for each method to access individual elements in an array?