4 Responses to “How to go back to the previous page using Javascript”

1. James C.
   July 5th, 2008 @ 9:29 pm

   Going back is easy enough, but what if there is nothing to go back to? I would like to be able to detect if history.go(-1) will actually do anything. If not, have a disable back button displayed.

2. imak47
   July 6th, 2008 @ 11:53 am

   if there’s nothin to go back to it doesnt do anything… as far as disabling the back button displayed it concerned. Try checking the length of the history object.

   if (history.length) …
   check *may* tell you if browser has history.length property and if
   there was *any* navigation during the current session. The latter check
   may also fail easily if the previous page was the first in the session
   and if you came on the current page via replace() method supported by
   some browsers.

   So history.length doesn’t give you any idea where (by the index
   position) are you now and its counter is not accurate in many
   circumstances.

   if (history.length) {history.go(-1);} is just additional check to avoid
   some (but not all at all) situations.

   I’d suggest u use ur own way of navigation for that. Using Sitemap objects in ASP .NET would be mighty helpful I think. Wish u all the best

3. ChaotiX66
   January 6th, 2009 @ 11:21 am

   Do you have any suggestions in using the “back javascript” on wordpress.com? Seems like they allow a limited number of javascripts by users on their blogs.

4. imak47
   January 6th, 2009 @ 11:42 am

   Thanks for dropping by. I really think WordPress wont allow that anyway bcz if they allow users to put JS on freely they can do lots of things WordPress doesnt want them to be doing like adding ads etc.

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