Learn how to create, evaluate and manipulate arrays.
Learn how to use callbacks and the meaning of 'callback hell'.
Learn the differences between 'const', 'let' and 'var' and when to use them.
Create a ticking clock display for world cities using HTML, CSS and vanilla JS
Learn how to effectively access the DOM using the .getElement and query selector methods.
Learn how to easily print the date and time in user-friendly format.