Pather.on("/foo/bar", function() {
  console.log("Enter /foo/bar");
})
 
window.history.pushState({}, null, "/foo/bar")

Pather.on("/foo/:a/:b", function(a, b) {
  console.log("Enter /foo/"+a+"/"+b);
})
 
window.history.pushState({}, null, "/foo/bar/baz")

Pather.on("/fruits/:fruit/#:bookmark", function(fruit, bookmark) {
  console.log('Now display the "%s" section of the page about the "%s"', bookmark, fruit);
});
 
window.history.pushState({}, null, "/fruits/banana/")
window.location.hash = "nutrition_facts"