Modern JavaScript from the Beginning - Second Edition - Page Loading and Window Events

The video tutorial covers the execution context in JavaScript, focusing on the global window object and its events. It explains the importance of script placement in HTML and introduces page loading events like 'onload' and 'DOMContentLoaded'. The tutorial also discusses the defer attribute for scripts, which allows JavaScript to run after the DOM is loaded. Additionally, it covers window events such as resize and scroll, demonstrating how to use them for dynamic UI effects. Finally, it explores focus and blur events, providing examples of their application.

What is the purpose of the execution context in JavaScript?

What are some common practices for placing script tags in an HTML document?

What happens if you try to access DOM elements before the page is fully loaded?

Explain the difference between the 'load' event and 'DOMContentLoaded' event.

Why is it important to understand the execution order of scripts in relation to DOM loading?

How does the 'defer' attribute affect script execution in the head of an HTML document?

Describe how to listen for a resize event on the window object.

What is the significance of the 'scroll' event in JavaScript?

How can you change the background color of a webpage based on the scroll position?

What are focus and blur events, and how can they be used in JavaScript?