Detect if the user has used the back button

Question

My webpage runs a javascript function when the page is loaded. However, I don\'t want the function to run if the user comes back to this page using the back button. How can

Answer 1

Track when user hits back button on the browser

There are multiple ways of doing it, though some will only work in certain browsers. One that I know off the top of my head is to embed a tiny near-invisible iframe on the page. When the user hits the back button the iframe is navigated back which you can detect and then update your page. Here is another solution.

You might also want to go view source on something like gmail and see how they do it.

Here's a library for the sort of thing you're looking for by the way