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Editorial Team
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Asked: 2026-05-18T19:44:59+00:00

I have a page that changes hashes quite a bit, and I’m wanting to

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I have a page that changes hashes quite a bit, and I’m wanting to add the functionality that when the back/forward button is pressed (as in, the hash changes), a function runs. I’ve seen that you can do it with polling, but is that the only way?

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  1. Editorial Team

    You have to use polling to get it to work cross browser.

    Firefox 3.6, Safari 5.0.3 and Chrome 8 support window.onhashchange.

    You can detect for the event via…

    if ('onhashchange' in window) {
   // Supported
}

    Does your browser support it?

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