iframes

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C#彻底解决Web Browser 跨域读取Iframes内容

C#彻底解决Web Browser 跨域读取Iframes内容用C# winform的控件web browser 读取网页内容,分析一下数据,做一些采集工作. 如果是同一个域名下面还是好办的,基本上用HtmlAgilityPack就完全可以解决问题. 但是现在遇到跨域问题,比如我需要打开页面上存在的广告联盟的地址,进行保存. 这就是牵扯到跨域. 一般的错误是:拒绝访问. "Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCE…

Do Chrome extensions access iframes? chrome扩展插件访问所有iframes

32down voteaccepted Yes, a Chrome Extension "content script" can run in all iframes (that are initially in the HTML when the page is loaded). In order to have the content script run in all frames you need to configure it to do so in the Chrome E…

Design Doc: Session History for Out-of-Process iframes

Design Doc: Session History for Out-of-Process iframes Charlie Reis, May 2014 This document outlines the changes we plan to make to Chrome's session history logic to support iframes that are rendered in a different process than their parent frame. T…

Rendering and compositing out of process iframes

For Developers‎ > ‎Design Documents‎ > ‎Out-of-Process iframes (OOPIFs)‎ > ‎ Rendering and compositing out of process iframes Summary This document provides a design for rendering and compositing out-of-process iframe (OOPIF) elements. Contents 目…

Out-of-Process iframes (OOPIFs)

For Developers‎ > ‎Design Documents‎ > ‎ Out-of-Process iframes (OOPIFs) This page provides an overview of Chromium's support for out-of-process iframes (OOPIFs), which allow a child frame of a page to be rendered by a different process than its par…

[HTML5] Lazyload below the fold images and iframes with native browser lazy-loading

In this lesson, you'll learn how to use the loading="lazy" attribute available on images and iframes to lazily load below the fold images, which saves bandwidth and increases the load time performance of web pages. You'll also learn how to preve…

iframes提供了一个简单的方式把一个网站的内容嵌入到另一个网站中.但我们需要慎重的使用iframe.iframe的创建比其它包括scripts和css的 DOM 元素的创建慢了 1-2 个数量级. 使用 iframe 的页面一般不会包含太多 iframe,所以创建 DOM 节点所花费的时间不会占很大的比重.但带来一些其它的问题:onload 事件以及连接池(connection pool). Iframes 阻塞页面加载及时触发 window 的 onload 事件是非常重要的.onloa…

Intel Media SDK H264 encoder GOP setting

1 I帧,P帧,B帧,IDR帧,NAL单元 I frame:帧内编码帧,又称intra picture,I 帧通常是每个 GOP(MPEG 所使用的一种视频压缩技术)的第一个帧,经过适度地压缩,做为随机访问的参考点,可以当成图象.I帧可以看成是一个图像经过压缩后的产物: P frame: 前向预测编码帧,又称predictive-frame,通过充分将低于图像序列中前面已编码帧的时间冗余信息来压缩传输数据量的编码图像,也叫预测帧: B frame: 双向预测内插编码帧,又称bi-directio…

企业IT管理员IE11升级指南【17】—— F12 开发者工具

企业IT管理员IE11升级指南系列: [1]—— Internet Explorer 11增强保护模式 (EPM) 介绍 [2]—— Internet Explorer 11 对Adobe Flash的支持 [3]—— IE11 新的GPO设置 [4]—— IE企业模式介绍 [5]—— 不跟踪(DNT)例外 [6]—— Internet Explorer 11面向IT专业人员的常见问题 [7]—— Win7和Win8.1上的IE11功能对比 [8]—— Win7 IE8和Win7 IE11对比…

jQuery：实现网页的打印功能

实现的打印功能大致跟浏览器的 Ctrl+P 效果一样一.直接上代码 <!DOCTYPE html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>index</title> </head> <body> <di…