In this article, I will give you some HTML tips that will enable your web page to have a more professional quality. You can try all the codes that I give with the tips. If this piques your interest (and I know it does), then please keep reading.
The difference between a block-level element and an inline element may not be very clear. However, the following simplified definition should keep you on the right track: a block-level element is one that has a line break before and after it. An inline element is one that does not have a line break before and after it.
X and Y Coordinates
alert("X=" + x + ", Y=" + y)