| htmlType | set the original html `type` of `button`, see: [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-type) | string | `button` |
| icon | set the icon of button, see: Icon component | string | - |
| loading | set the loading status of button | boolean \| { delay: number } | false |
`<Button>Hello world!</Button>` will be rendered into `<button><span>Hello world!</span></button>`, and all the properties which are not listed above will be transferred to the `<button>` tag.