Html AngularJS 标签属性
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AngularJS tags attributes
提问by Sergei Basharov
I am learning about AngularJS and see it adds some of its own attributes that nor start with data neither are standard html tags attributes, like this:
我正在学习 AngularJS 并看到它添加了一些自己的属性，这些属性也不是以数据开头，也不是标准的 html 标签属性，如下所示：
<html ng-app>
or this:
或这个：
<body ng-controller="PhoneListCtrl">
Where from do these ng-* attributes come and is that a valid HTML? Where can I read more about this?
这些 ng-* 属性是从哪里来的，它是一个有效的 HTML 吗？我在哪里可以阅读更多相关信息？
采纳答案by Alexander R
Strictly speaking these extra attributes are not defined in the HTML specifications thus, are not valid HTML. You could say that AngularJS provides and parses a superset of the HTML specification.
严格地说，这些额外的属性没有在 HTML 规范中定义，因此不是有效的 HTML。你可以说 AngularJS 提供并解析了 HTML 规范的超集。
However, as of v1.0.0rc1, you could use data-* attributes, for example <html data-ng-app>which, I believe, are valid HTML5. Source.
但是，从 v1.0.0rc1 开始，您可以使用 data-* 属性，例如<html data-ng-app>，我认为这些属性是有效的 HTML5。来源。
There is a guide to the AngularJS Compilerthat contains some more information on the process. In short; the AngularJS compiler reads your HTML page, using these attributes to guide it as it edits and updates your page, after loading, via javascript and the HTML DOM.
有一个AngularJS 编译器指南，其中包含有关该过程的更多信息。简而言之; AngularJS 编译器读取您的 HTML 页面，使用这些属性来指导它在加载后通过 javascript 和 HTML DOM 编辑和更新您的页面。
回答by GFoley83
From the docs: http://docs.angularjs.org/guide/directive
来自文档：http: //docs.angularjs.org/guide/directive
<!doctype html>
<html data-ng-app>
<head>
<script src="http://code.angularjs.org/1.0.7/angular.min.js"></script>
<script src="script.js"></script>
</head>
<body>
<div data-ng-controller="Ctrl1">
These are all valid directive declarations:<br/>
<input ng-model='name'> <hr/>
<span ng:bind="name"></span> <br/>
<span ng_bind="name"></span> <br/>
<span ng-bind="name"></span> <br/>
<span x-ng-bind="name"></span> <br/>
<span data-ng-bind="name"></span> <br/>
</div>
</body>
</html>
I like the data-*whatever*declaration the best as it's HTML5 compliant.
我最喜欢这个data-*whatever*声明，因为它符合 HTML5。
So for any of my Angular declaration (e.g. ng-controller, ng-app, ng-repeatetc) or custom directives I'll always prefix them with data-.
因此，对于我的任何角度声明（例如ng-controller，ng-app，ng-repeat等）或自定义指令和我永远前缀他们data-。
回答by Artem Andreev
Where from do these ng-* attributes come
这些 ng-* 属性从何而来
From main ng module. Source code.
is that a valid HTML?
这是一个有效的 HTML 吗？
No. But attribute-style directives can be prefixed with x-, or data- to make it HTML validator compliant. See direcives documentation.
不可以。但是属性样式指令可以以 x- 或 data- 为前缀，以使其符合 HTML 验证器。请参阅指令文档。
回答by Andrew Salido
Another option is to ignore undefined attribute names. If you are using Eclipse, you can set this by going to project properties>>validation>>html syntax>>attributes>>ignore undefined attribute names.
另一种选择是忽略未定义的属性名称。如果您使用的是 Eclipse，则可以通过转到 project 来进行设置properties>>validation>>html syntax>>attributes>>ignore undefined attribute names。
