如何在js中更改页面加载对话框的值？

问题描述

Hello Team



这是我的代码，但不支持firefox

var myEvent = window.attachEvent || window.addEventListener;

var chkevent =（window.attachEvent）？onbeforeunload：beforeunload;

myEvent（chkevent，function（e）{// For> = IE7，Chrome，Firefox

window.onbeforeunload = null;

var confirmationMessage ='Rajeev Rahi'; //空格

（e || window.event）.returnValue = confirmationMessage;

return confirmationMessage;

}）;

Rajeev Rahi正在显示当我刷新铬而不能在firefox中工作时

实际上我想要更改刷新弹出窗口。

Hello Team

this is my code but not support in firefox
var myEvent = window.attachEvent || window.addEventListener;
var chkevent = (window.attachEvent) ?onbeforeunload : beforeunload;
myEvent(chkevent, function(e) { // For >=IE7, Chrome, Firefox
window.onbeforeunload = null;
var confirmationMessage = 'Rajeev Rahi'; // a space
(e || window.event).returnValue = confirmationMessage ;
return confirmationMessage ;
});
Rajeev Rahi is showing when i refresh on chrom but not work in firefox
Actually i want change in refresh pop-up.

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