Disable HTML link if the URL's link returns an error

Question

I have a button which links to another page. Before I click that link, I want to check if that page currently returns an error or if it is not existing. How can I code this? Is this possible? I want to disable the link if it is not existing or if it returns an error.

Answer 1

You could use ajax to load the page and then parse it to see if there's an error before you then redirect the user. I would also include some kind of note to the user as to why the link isn't working.