doc: markdown format (#5240)

Author: wjdnb

components/spin/index.zh-CN.md

@@ -18,7 +18,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/8emPa3fjl/Alert.svg
 | ---------------- | -------------------------------------------- | ------------- | --------- |
 | delay            | 延迟显示加载效果的时间（防止闪烁）           | number (毫秒) | -         |
 | indicator        | 加载指示符                                   | vNode \| slot | -         |
-| size             | 组件大小，可选值为 `small` `default` `large` | string        | 'default' |
+| size             | 组件大小，可选值为 `small` `default` `large` | string        | `default` |
 | spinning         | 是否为加载中状态                             | boolean       | true      |
 | tip              | 当作为包裹元素时，可以自定义描述文案         | string        | -         |
 | wrapperClassName | 包装器的类属性                               | string        | -         |

components/tabs/index.zh-CN.md

@@ -28,10 +28,10 @@ Ant Design 依次提供了三级选项卡，分别用于不同的场景。
 | animated | 是否使用动画切换 Tabs，在 `tabPosition=top | bottom` 时有效 | boolean \| {inkBar:boolean, tabPane:boolean} | true, 当 type="card" 时为 false |  |
 | centered | 标签居中展示 | boolean | false | 3.0 |
 | hideAdd | 是否隐藏加号图标，在 `type="editable-card"` 时有效 | boolean | false |  |
-| size | 大小，提供 `large` `default` 和 `small` 三种大小 | string | 'default' |  |
+| size | 大小，提供 `large` `default` 和 `small` 三种大小 | string | `default` |  |
 | tabBarStyle | tab bar 的样式对象 | object | - |  |
-| tabPosition | 页签位置，可选值有 `top` `right` `bottom` `left` | string | 'top' |  |
-| type | 页签的基本样式，可选 `line`、`card` `editable-card` 类型 | string | 'line' |  |
+| tabPosition | 页签位置，可选值有 `top` `right` `bottom` `left` | string | `top` |  |
+| type | 页签的基本样式，可选 `line`、`card` `editable-card` 类型 | string | `line` |  |
 | tabBarGutter | tabs 之间的间隙 | number | 无 |  |
 
 ### Tabs 插槽

components/upload/index.en-US.md

@@ -21,17 +21,17 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
 | accept | File types that can be accepted. See [input accept Attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept) | string | - |  |
 | action | Uploading URL | string\|(file) => `Promise` | - |  |
-| method | http method of upload request | string | 'post' | 1.5.0 |
+| method | http method of upload request | string | `post` | 1.5.0 |
 | directory | support upload whole directory ([caniuse](https://caniuse.com/#feat=input-file-directory)) | boolean | false |  |
 | beforeUpload | Hook function which will be executed before uploading. Uploading will be stopped with `false` or a rejected Promise returned. **Warning：this function is not supported in IE9**。 | (file, fileList) => `boolean | Promise` | - |  |
 | customRequest | override for the default xhr behavior allowing for additional customization and ability to implement your own XMLHttpRequest | Function | - |  |
 | data | Uploading params or function which can return uploading params. | object\|function(file) | - |  |
 | disabled | disable upload button | boolean | false |  |
 | fileList | List of files that have been uploaded (controlled). Here is a common issue [#2423](https://github.com/ant-design/ant-design/issues/2423) when using it | object\[] | - |  |
 | headers | Set request headers, valid above IE10. | object | - |  |
-| listType | Built-in stylesheets, support for three types: `text`, `picture` or `picture-card` | string | 'text' |  |
+| listType | Built-in stylesheets, support for three types: `text`, `picture` or `picture-card` | string | `text` |  |
 | multiple | Whether to support selected multiple file. `IE10+` supported. You can select multiple files with CTRL holding down while multiple is set to be true | boolean | false |  |
-| name | The name of uploading file | string | 'file' |  |
+| name | The name of uploading file | string | `file` |  |
 | previewFile | Customize preview file logic | (file: File \| Blob) => Promise<dataURL: string> | - | 1.5.0 |
 | showUploadList | Whether to show default upload list, could be an object to specify `showPreviewIcon` and `showRemoveIcon` individually | Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean } | true |  |
 | supportServerRender | Need to be turned on while the server side is rendering. | boolean | false |  |

components/upload/index.zh-CN.md

@@ -22,17 +22,17 @@ cover: https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg
 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
 | accept | 接受上传的文件类型, 详见 [input accept Attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept) | string | 无 |  |
 | action | 上传的地址 | string\|(file) => `Promise` | 无 |  |
-| method | 上传请求的 http method | string | 'post' | 1.5.0 |
+| method | 上传请求的 http method | string | `post` | 1.5.0 |
 | directory | 支持上传文件夹（[caniuse](https://caniuse.com/#feat=input-file-directory)） | boolean | false |  |
 | beforeUpload | 上传文件之前的钩子，参数为上传的文件，若返回 `false` 则停止上传。支持返回一个 Promise 对象，Promise 对象 reject 时则停止上传，resolve 时开始上传（ resolve 传入 `File` 或 `Blob` 对象则上传 resolve 传入对象）。**注意：IE9 不支持该方法**。 | (file, fileList) => `boolean | Promise` | 无 |  |
 | customRequest | 通过覆盖默认的上传行为，可以自定义自己的上传实现 | Function | 无 |  |
 | data | 上传所需参数或返回上传参数的方法 | object\|(file) => object | 无 |  |
 | disabled | 是否禁用 | boolean | false |  |
 | fileList | 已经上传的文件列表（受控） | object\[] | 无 |  |
 | headers | 设置上传的请求头部，IE10 以上有效 | object | 无 |  |
-| listType | 上传列表的内建样式，支持三种基本样式 `text`, `picture` 和 `picture-card` | string | 'text' |  |
+| listType | 上传列表的内建样式，支持三种基本样式 `text`, `picture` 和 `picture-card` | string | `text` |  |
 | multiple | 是否支持多选文件，`ie10+` 支持。开启后按住 ctrl 可选择多个文件。 | boolean | false |  |
-| name | 发到后台的文件参数名 | string | 'file' |  |
+| name | 发到后台的文件参数名 | string | `file` |  |
 | previewFile | 自定义文件预览逻辑 | (file: File \| Blob) => Promise<dataURL: string> | 无 | 1.5.0 |
 | showUploadList | 是否展示 uploadList, 可设为一个对象，用于单独设定 showPreviewIcon 和 showRemoveIcon | Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean } | true |  |
 | supportServerRender | 服务端渲染时需要打开这个 | boolean | false |  |