Window. Alert() = for alert box when we open the HTML page
Document. Write() = if is it text then we put that in quotes like…“ I am text”
If it is value then we do not use quotes .
innerHTMl. = to change the inner HTML values, styles anything.
Console.log() = to check your methods to browser that its working or not. Click F12 and go to console and enable it then see your result of methods in browser.