History API

gistfile1.js

window.history.back();
window.history.forward();
window.history.go(); //optionally give a number. -1 = back, 1 = forward
var allEntries = window.history.length; //entry length
var currentState = window.history.state;

history.pushState(, "Introduction to History API", "working.html");
history.replaceState(, "Briefs on History API", "current.html");
history.onpopstate = function() {
  console.log("It has navigated to a different page");
};