الكود:
var formul;var postSubmit = false; window.addEventListener("load", function(e) { var message = $('textarea[name="message"]'); var sceditor = $('#text_editor_textarea'); for (let i = 0; i < document.forms.length; i++) { if ((document.forms[i].method == "post") && (message.length || sceditor.length)) { formul = document.forms[i]; formul.addEventListener("submit", function(e) { postSubmit = true; }); break; } } if (formul) { window.addEventListener("beforeunload", function(e) { if (!postSubmit && ((message.val().length > 0) || (sceditor.sceditor('instance').val().length > 0))) { e.returnValue = false; return false; } }); }});
