How do I redirect to a referring URL with hash values using JS?

Question

Let's say a user navigates from greatsite.com/uno#argument to coolsite.com/dos. After some interaction on the second page, I need to send him back to his referrer with Javascript:

window.location = document.referrer;

The problem with running this is that document.referrer loses the hash values. The user gets redirected to website.com/uno without #argument. The page fails to work because its javascript depends on that argument.

user3 · Accepted Answer · 2012-03-13 03:38:56Z

5

what about using the history ?

if (history.back() === undefined) location.replace(document.referrer);

edited Mar 13, 2012 at 3:38

answered Mar 13, 2012 at 2:22

user3

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4 Comments

JoJo Over a year ago

This works ... even in IE6! Wow! My mind is blown! The laws of physics have been broken!

gilly3 Over a year ago

Just be sure to provide a fallback behavior in case there are no pages in the history. For example, if your page was opened in a new tab.

user3 Over a year ago

That's strange when opening in new tab the document.referrer contains the hash, whereas if it's in the same window the hash isn't here

JoJo Over a year ago

I used history.length > 1 instead

DanRedux · Accepted Answer · 2012-03-13 02:20:14Z

0

So link to dos, but append the current documents hash tag.. So dos#argument..

Then link to the referrer by appending the current hash tag to the referrer.

In other words, carry the hash tag with you through the pages.

answered Mar 13, 2012 at 2:20

DanRedux

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2 Comments

JoJo Over a year ago

Uno does not pass the hash to Dos because it could be written by another person.

DanRedux Over a year ago

Then use JavaScript, any time you change the hash, loop through all the links and change the JS on the hrefs to include the hash.

Gijs · Accepted Answer · 2012-11-15 12:42:16Z

0

try this

window.history.go(-1)

but firefox may ask user whether to prevent

edited Nov 15, 2012 at 12:42

Gijs

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answered Mar 13, 2012 at 2:31

user964638

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