state

Summary

The current history entry’s state object (if any).

Note: This property is read-only.

var result = element.state;

Returns an object of type

Represents the context information for the event, or null, if the state represented is the initial state of the document.

window.onpopstate = function(event) {
  alert("location: " + document.location + ", state: " + JSON.stringify(event.state));
};

Represents the context information for the event, or null, if the state represented is the initial state of the document.