--- category: Components group: Data Display title: Image cols: 2 cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*FbOCS6aFMeUAAAAAAAAAAAAADrJ8AQ/original --- Previewable image. ## When To Use - When you need to display pictures. - Display when loading a large image or fault tolerant handling when loading fail. ## Examples Basic Usage Fault tolerant Progressive Loading Multiple image preview Preview from one image Custom preview image Controlled Preview Custom preview mask Top progress customization when previewing multiple images ## API | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | alt | Image description | string | - | 4.6.0 | | fallback | Load failure fault-tolerant src | string | - | 4.6.0 | | height | Image height | string \| number | - | 4.6.0 | | placeholder | Load placeholder, use default placeholder when set `true` | ReactNode | - | 4.6.0 | | preview | preview config, disabled when `false` | boolean \| [previewType](#previewtype) | true | 4.6.0 [previewType](#previewtype):4.7.0 | | src | Image path | string | - | 4.6.0 | | width | Image width | string \| number | - | 4.6.0 | | onError | Load failed callback | (event: Event) => void | - | 4.12.0 | | rootClassName | add custom className for image root DOM and preview mode root DOM | string | - | 4.20.0 | ### previewType ```js { visible?: boolean; onVisibleChange?: (visible, prevVisible) => void; getContainer?: string | HTMLElement | (() => HTMLElement); // v4.8.0 src?: string; // v4.10.0 mask?: ReactNode; // v4.9.0 maskClassName?: string; // v4.11.0 current?: number; // v4.12.0 Only support PreviewGroup countRender?: (current: number, total: number) => string // v4.20.0 Only support PreviewGroup scaleStep?: number; } ``` Other attributes [<img>](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#Attributes)