Is there another way of calling functions?

Answer 1

You can also use any of the events..
onclick="somefunc()";

Or in an image or many other objects..
<img src="./someimage.png" onload="somefunc()" />

Their are many..

Or in variables

Var x = somefunc();

That will be covered in objects..

Answer 2

setTimeout (my_function,1000)

Answer 3

Fb() or var x = fn; x