Tag: onbeforeunload

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Javascript to check any redirection to another page

When the user had made some changes in the page and accidentally clicks some links on the page, you might want to warn the user about the redirection and ask his permission for the operation. Javascript makes it quite simple to do this operation, with the help of window.onbeforeunload(): window.onbeforeunload = checkRedirection; function checkRedirection (evt) ...