如何在js中更改页面加载对话框的值？ [英] how to change value of page load dialog box in js?

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.

推荐答案

你不能。我昨天遇到了这个问题，结果发现这是一个安全功能：

错误588292 - 删除站点提供的beforeunload和onunload对话框文本，并改进按钮文本 [ ^ ]



很明显为什么Mozilla认为这是一个安全问题，当其他每个浏览器都支持它时，我不知道知道。



唯一的解决方法是在每个元素的click事件中显示一条消息，导致页面卸载。它既凌乱又脆弱，但它是显示自定义消息的唯一方式。

You can't. I ran into this problem yesterday, and it turns out it's a "security feature":
Bug 588292 - Remove site-supplied text for beforeunload and onunload dialogs, and improve button text [^]

Quite why Mozilla think it's a security problem, when every other browser supports it, I don't know.

The only workaround is to display a message in the "click" event of every element which would cause the page to unload. It's messy and fragile, but it's the only way to display a custom message.

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