Javascript 30 Challenge Day 27- Drag and Scroll

Some cursors require a vendor prefix

pageX

The MouseEvent.pageX read-only property returns the horizontal coordinate of the event relative to the whole document.

offsetLeft

The HTMLElement.offsetLeft read-only property returns the number of pixels that the upper left corner of the current element is offset to the left within the HTMLElement.offsetParent node.

scrollLeft

The Element.scrollLeft property gets or sets the number of pixels that an element's content is scrolled to the left.

e.preventDefault();

Cancels the event if it is cancelable, without stopping further propagation of the event.