JavaScript History Object

The JavaScript History Object is property of the window object.

Properties

• current - The current document URL.
• length - The number of entries in the history object.
• next - The URL of the next document in the history object.
• previous - The URL of the last document in the history object.

Methods

• back() - Go to the previous URL entry in the history list. This does the same thing as the browser back button. The following HTML code creates a back button:

  <FORM>
  <INPUT TYPE="button" VALUE="Go Back" onClick="history.back()">
  </FORM>
  

  Here is the button:
• forward()- Go to the next URL entry in the history list. This does the same thing as the browser forward button. This is only effective when there is a next document in the history list. The back function or browser back button must have previously been used for this function to work. The following HTML code creates a forward button:

  <FORM>
  <INPUT TYPE="button" VALUE="Go Forward" onClick="history.forward()">
  </FORM>
  

  Here is the button: