2.) Create an HTML file that expands an image size when the user hovers a mouse over the image, which returns to normal size after the user moves the mouse off the image.

3.) Use the JQuery HTML-based methods to create a page that changes the photo shown every five seconds.

4) Create an html file that uses a slide operation to reveal photos. the page shown opens the slide on a button click and then closes the slide with the next click. when the user clicks the button again, the page should reveal a new image.