How to make a graph in javascript/jQuery without graph libraries

So, I kinda need a little help... Is there a way to make a line graph in javascript or jQuery without using any libraries? It doesn't matter if it doesn't look good but it should still be acceptable. If anyone knows about this, please do post a reply.

Thanx, ProBroRLZ

P.S: If you need to know more info, just ask for it and I will reply. :)