Answer: $(window).on('beforeunload', function() { var x =logout(); return x; }); function logout(){ jQuery.ajax({ }); return 1+3; }. ... <看更多>
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Answer: $(window).on('beforeunload', function() { var x =logout(); return x; }); function logout(){ jQuery.ajax({ }); return 1+3; }. ... <看更多>
window.onbeforeunload = function () { return "你還沒有完成你的文章,就這樣離開了嗎 ... //Gecko + IE return confirmationMessage; //Webkit, Safari, Chrome }); ... ... <看更多>
In this tutorial, you will learn about the JavaScript beforeunload event that ... preventDefault(); // Google Chrome requires returnValue to be set. event. ... <看更多>
// even if you "preserve log". window.addEventListener("beforeunload", function() { debugger; }, false) ... ... <看更多>