It does not, but the page author can use javascript to generate a confirmation dialog when you're leaving the page: https://developer.mozilla.org/en-US/docs/Web

It does not, but the page author can use javascript to generate a confirmation dialog when you're leaving the page: https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onbeforeunload https://developer.mozilla.org/en-US/docs/Web/API/WindowEvent...