What's up with comments?

They can be in a single line or span across multiple linesThey're ignored by the browserWe create them with the var keywordWe use them to display data on a web page

Nice! Comments are ignored by the browser and, therefore, just a tool to help us and other readers understand the scripts we write.

Oh noes! Comments are ignored by the browser and, therefore, just a tool to help us and other readers understand the scripts we write.