javascript 如何获取整个文档的文本内容？
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How to get text content of the entire document?
提问by artemave
I am building Chrome extension which at some point should determine current page language. In order to do that, my plan is to extract text content of the page (or at least a part of it) and pass it to translation api. However I couldn't find any strait forward way to just get all textNodes of the document.
我正在构建 Chrome 扩展程序，它在某个时候应该确定当前页面语言。为了做到这一点，我的计划是提取页面的文本内容（或至少其中的一部分）并将其传递给翻译 api。但是，我找不到任何方法来获取textNode文档的所有内容。
There is a backup plan which is to recursively analyze $('body').contents()until there is enough text content, but it feels a bit flaky. Perhaps there is a better way?
有个备份方案是递归分析，$('body').contents()直到有足够的文本内容，但感觉有点片面。也许有更好的方法？
Note: Chrome extensions api allows your script to access user page dom as if it was the part of it.
注意：Chrome 扩展 api 允许您的脚本访问用户页面 dom，就好像它是它的一部分一样。
采纳答案by John Hartsock
回答by mortalis
Javascript:
Javascript：
document.body.textContent
回答by pawel
Without jQuery, just as easy: document.body.innerText;
没有 jQuery，同样简单： document.body.innerText;
回答by guerrerocarlos
VanillaJS:
香草JS：
document.body.outerHTML
