Hash functionality does not cooperate with the back button, requiring the use of JavaScript to trigger a function when the URL changes

Hi everyone, I have a code snippet that is designed to read the value after the hash in the URL and display a specific div based on that value. It works as expected, except for when the hash is changed while already on the site or when navigating back with the back button. In these cases, the div does not update accordingly. The site is set up to not reload on div changes, so I suspect that the JavaScript function is only called once on page load, causing the issue. I need a solution that will trigger the function whenever the URL changes. Here is the current code:

function hash() {
    var hash = window.location.hash.replace('#','');
    InsertContent(hash);
}

Answer №1

Don't worry, what you're experiencing is not a bug, but rather a feature. Opera, for instance, has the ability to save the exact state of a page in its memory. This means that when you go back, the page will be restored to exactly how it was before. It's almost as if you never left the page.

If you're trying to change the hash, you can try using the InsertContent() function right after changing the hash. Have you tried this approach? Can you share the code with us?

Answer №2

To check for changes in window location hash, you should monitor the window.location.hash property. Certain browsers offer support for the onhashchange event.

For further insights, check out this thread: On - window.location.hash - Change?

Answer №3

One solution to this issue is to utilize jQuery's "address" plugin

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