带有`target =" _blank"`的沙盒iFrame无法打开新选项卡或窗口 [英] Sandboxed iFrame with `target="_blank"` doesn't open new tab or window

问题描述

我刚刚使用 sandbox 属性创建了一个iFrame。每当我尝试打开一个链接 target =_ blank或 target =_ top或当我尝试使用 window.open（）没有任何反应。

I just created an iFrame with the sandbox attribute. Whenever I try to open a link with target="_blank" or target="_top" or when I try to use window.open() nothing happens.

这是我的代码：

<iframe src="http://www.google.com/"
  sandbox="allow-top-navigation allow-same-origin allow-forms allow-scripts">

    Apparently your browser doesn't support iFrames!

</iframe>

推荐答案

显然，Chrome允许使用名为<$ c的未记录的沙箱属性要设置$ c> allow-popups 。该属性在Firefox中也受支持，并且是 W3C 。

Apparently Chrome allows an undocumented sandbox property called allow-popups to be set. The property is also supported in Firefox and is a Candidate Recommendation on W3C.

allow-popups 让沙盒框架在新窗口或标签中打开链接并且，看起来，当框架尝试打开 target =_ top的链接时，浏览器将在新选项卡或窗口中打开URL。

allow-popups lets the sandboxed frame open links in new windows or tabs and, it appears, when the frame tries to open a link with target="_top" the browser will open the URL in a new tab or window.

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