“dart：html”和“dart：html”之间有什么区别？和“dart：dom”包？ [英] What's the difference between "dart:html" and "dart:dom" package?

问题描述

我从一些Dart示例开始。然后我想用 document.query（'＃someId'）查询DOM 这里，但似乎文档中没有查询方法。另外，通过`new Element.tag（'p'）创建一个新元素不起作用。

然后我发现，当我将导入的包从 dart：dom 更改为 dart：html 。但是使用它们给了我一堆<_ c $ c> _XYZ 的重复定义。

所以我不知道：

1. dart：html 和之间有什么区别dart：dom

2. 为什么我不能同时使用







解决方案

对所有答案的更新，可能使这个问题不再适用是dart：dom已被弃用。 p>



请参阅此帖子 a>在dartlang网站上。

I'm starting with some of the Dart examples. Then I wanted to query the DOM with document.query('#someId') as described here, but it seems there was no query method in document. Also creating a new element by `new Element.tag('p') doesn't work.

Then I figure out that it will work, when I change the imported package from dart:dom to dart:html. But using both of them gives me a bunch of duplicate definition of _XYZ.

So I wonder:

1. what's the difference between dart:html and dart:dom package
2. which one should I use
3. why can't I use both

解决方案

An update to all the answers, and probably makes this question no longer applicable is that dart:dom has been deprecated.

See this post on dartlang website.

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