从iFrame中获取所有元素

Question

How to get all element within an iFrame? 如何获取iFrame中的所有元素？ I am using some javascript code here but I don't know what I do next and how to get all element inside in iframe: 我在这里使用一些javascript代码，但我不知道接下来要做什么以及如何将所有元素放入iframe中：

<iframe id="uploads" src="https://jsfiddle.net/mekwall/up4nu/"></iframe>

var iframe = document.getElementById('uploads');
var innerDoc = iframe.contentDocument;

I'm using contentDocument it's gives only <html><body></body></html> 我正在使用contentDocument它仅提供<html><body></body></html>

Answer 1

Hello this is your code executed in jsfiddle. 您好，这是您在jsfiddle中执行的代码。 Its showing error in console. 它在控制台中显示错误。

see screenshot: http://prntscr.com/c54jts 看到截图： http : //prntscr.com/c54jts

The reason for that error is mentioned here: 该错误的原因在这里提到：

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Property_access_denied https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Property_access_denied

For more details: https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy 有关更多详细信息： https : //developer.mozilla.org/zh-CN/docs/Web/Security/Same-origin_policy

Summery: You can't access the content of iframe if its from different domain. Summery：如果iframe的内容来自其他域，则无法访问它。

从iFrame中获取所有元素

问题描述

1 个解决方案

解决方案1
0 2016-08-13 05:40:12

从iFrame中获取所有元素

问题描述

1 个解决方案

解决方案1 0 2016-08-13 05:40:12

解决方案1
0 2016-08-13 05:40:12