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ng.getDirectives

检索与给定 DOM 元素关联的指令实例。不包括组件实例。

Retrieves directive instances associated with a given DOM node. Does not include component instances.

      
      ng.getDirectives(node: Node): {}[]
    
参数
node Node

要为其获取指令的 DOM 元素。

DOM node for which to get the directives.

返回值

与元素关联的指令数组。

{}[]: Array of directives associated with the node.

使用说明

给定以下 DOM 结构:

Given the following DOM structure:

      
      <my-app>
  <button my-button></button>
  <my-comp></my-comp>
</my-app>
    

<button> 上调用 getDirectives 将返回一个数组,该数组带有与 DOM 元素关联 MyButton

Calling getDirectives on <button> will return an array with an instance of the MyButton directive that is associated with the DOM node.

<my-comp> 上调用 getDirectives 将返回一个空数组。

Calling getDirectives on <my-comp> will return an empty array.