Please write in HTML and JavaScript. Thank you. :)

1. Create an HTML file with JavaScript that prints out the current URL of the page after clicking on a button. (HINT: Use DOM and event handlers)

2. Create an HTML file with JavaScript that prints out only the largest number of an array of your creation.

3. Create an HTML file with JavaScript that prints out a string (that youve created) in all capital letters. Your string should be passed to a function and returned in all capital letters.