Lecture_15_Arrays and Their Methods

• Objective: Explore JavaScript arrays, their manipulation methods, and best practices.

Lesson Breakdown:

1. Introduction to Arrays (10 mins)

   • What are arrays and how to create them in JavaScript?

2. Basic Array Methods (20 mins)

   • Explore push(), pop(), shift(), unshift(), and concat() methods.

3. Advanced Array Methods (15 mins)

   • Demonstrate slice(), splice(), indexOf(), and forEach().

4. Programming Activity (20 mins)

   • Task: Create an array of student names and allow users to add, remove, and sort names.

   • Challenge: Use forEach() to iterate through the array and print names with specific formatting.

5. Array Best Practices (15 mins)

   • Discuss when to use arrays and how to optimize their use in large applications.