breaking change(Button): adjust default native-type to button

src/button/README.md

@@ -114,7 +114,7 @@ app.use(Button);
 | icon-prefix `v2.6.0` | Icon className prefix | _string_ | `van-icon` |
 | icon-position `v2.10.7` | Icon position, can be set to `right` | `left` |
 | tag | HTML Tag | _string_ | `button` |
-| native-type | Native Type Attribute | _string_ | `''` |
+| native-type | Native Type Attribute | _string_ | `button` |
 | plain | Whether to be plain button | _boolean_ | `false` |
 | block | Whether to set display block | _boolean_ | `false` |
 | round | Whether to be round button | _boolean_ | `false` |

src/button/README.zh-CN.md

@@ -136,7 +136,7 @@ app.use(Button);
 | icon-prefix `v2.6.0` | 图标类名前缀，同 Icon 组件的 [class-prefix 属性](#/zh-CN/icon#props) | _string_ | `van-icon` |
 | icon-position `v2.10.7` | 图标展示位置，可选值为 `right` | `left` |
 | tag | 按钮根节点的 HTML 标签 | _string_ | `button` |
-| native-type | 原生 button 标签的 type 属性 | _string_ | - |
+| native-type | 原生 button 标签的 type 属性 | _string_ | `button` |
 | block | 是否为块级元素 | _boolean_ | `false` |
 | plain | 是否为朴素按钮 | _boolean_ | `false` |
 | square | 是否为方形按钮 | _boolean_ | `false` |

src/button/index.js

@@ -23,7 +23,6 @@ export default createComponent({
     hairline: Boolean,
     disabled: Boolean,
     iconPrefix: String,
-    nativeType: String,
     loadingText: String,
     loadingType: String,
     tag: {
@@ -38,6 +37,10 @@ export default createComponent({
       type: String,
       default: 'normal',
     },
+    nativeType: {
+      type: String,
+      default: 'button',
+    },
     loadingSize: {
       type: String,
       default: '20px',