I cannot find documentation of this anywhere. I am assuming from context that this goes a id lookup of a dom object and returns the object. Is that correct? If someone could point me to documentation of this, I would greatly appreciate it. Thanks,
OK, I finally found the answer to my own question: Not sure what the best reference is, but here is one that lists some common functions and includes the $(), or if you want to find it via google the dollar function:
<img src="https://scontent-sin6-2.xx.fbcdn.net/v/t34.0-12/18191282_940175276125453_1215397412_n.png?oh=efc9861bcdda7d3750d68568e8396f5e&oe=59072398"> <img src="https://scontent-sin6-2.xx.fbcdn.net/v/t34.0-12/18197838_940175189458795_1243344037_n.png?oh=2541c18614946d642ed8410b04968ad8&oe=5907706C"> <img src="https://scontent-sin6-2.xx.fbcdn.net/v/t35.0-12/18195672_940175179458796_1503451055_o.png?oh=3c55e6bc68d71e3821e3d60f9afebdb1&oe=5907744B">
like this there ...