docs: add missing API docs for Modal, close: #6239

components/modal/Modal.tsx

@@ -36,6 +36,7 @@ export interface ModalProps {
   maskTransitionName?: string;
   transitionName?: string;
   className?: string;
+  getContainer?: (instance: React.ReactInstance) => HTMLElement;
 }
 
 export interface ModalContext {

components/modal/index.en-US.md

@@ -32,6 +32,7 @@ and so on.
 | style | Style of floating layer, typically used at least for adjusting the position. | object   | - |
 | wrapClassName | The class name of the container of the modal dialog | string   | - |
 | afterClose | Specify a function that will be called when modal is closed completely. | function | - |
+| getContainer | Return the mount node for Modal | (instance): HTMLElement | () => document.body |
 
 #### Destroy on close
 

components/modal/index.zh-CN.md

@@ -31,6 +31,7 @@ title: Modal
 | style | 可用于设置浮层的样式，调整浮层位置等 | object   | - |
 | wrapClassName | 对话框外层容器的类名 | string   | - |
 | afterClose | Modal 完全关闭后的回调 | function | 无 |
+| getContainer | 指定 Modal 挂载的 HTML 节点 | (instance): HTMLElement | () => document.body |
 
 #### 清空旧数据