Google文档如何实现内容编辑？ [英] How does Google Docs achieve content editing?

问题描述

在检查google文档页面的DOM时，找不到具有 contentEditable 属性集的任何元素。我什至尝试遍历DOM，查看 isContentEditable ...都设置为 false 。

Inspecting the DOM of a google docs page, I can't find any elements with the contentEditable attribute set. I even tried traversing the DOM, looking at isContentEditable... all set to false.

有什么用？ google文档如何实现可编辑性？

What gives? How is google docs achieving editability?

推荐答案

Google文档使用其自己的编辑界面而不是可编辑的界面。它绘制自己的选择和插入符号，并手动处理大多数键和鼠标事件。我认为它可能具有用于内容收集的隐藏式iframe，用于收集用户输入，但我一直无法深入了解它。

Google Docs uses its own editing surface instead of contenteditable. It draws its own selection and caret and handles most key and mouse events manually. I think it may have a hidden contenteditable iframe that it uses to collect user input but I've never been able to get to the bottom of it.

这里是Google博客发表相关信息：

Here's a Google blog post about it:

>：//：//drive.googleblog.com/2010/05/whats-different-about-new-google-docs.html

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