jQuery / JavaScript：访问iframe的内容 [英] jQuery/JavaScript: accessing contents of an iframe

问题描述

我想使用jQuery在iframe中操作HTML。

I would like to manipulate the HTML inside an iframe using jQuery.

我以为我可以通过将jQuery函数的上下文设置为是iframe的文档，例如：

I thought I'd be able to do this by setting the context of the jQuery function to be the document of the iframe, something like:

$(function(){ //document ready
    $('some selector', frames['nameOfMyIframe'].document).doStuff()
});

然而这似乎不起作用。一点检查告诉我， frames ['nameOfMyIframe'] 中的变量是 undefined 除非我等待一段时间要加载的iframe。但是，当iframe加载时，变量无法访问（我得到权限被拒绝 -type错误）。

However this doesn't seem to work. A bit of inspection shows me that the variables in frames['nameOfMyIframe'] are undefined unless I wait a while for the iframe to load. However, when the iframe loads the variables are not accessible (I get permission denied-type errors).

有人知道这方面的解决方法吗？

Does anyone know of a work-around to this?

推荐答案

我认为你所做的是受同源政策。这应该是您获得权限被拒绝类型错误的原因。

I think what you are doing is subject to the same origin policy. This should be the reason why you are getting permission denied type errors.

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