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element-plus/docs/en-US/component/image.md

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---
title: Image
lang: en-US
---
# Image
Besides the native features of img, support lazy load, custom placeholder and load failure, etc.
## Basic Usage
:::demo Indicate how the image should be resized to fit its container by `fit`, same as native [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit).
image/basic-usage
:::
## Placeholder
:::demo Custom placeholder content when image hasn't loaded yet by `slot = placeholder`
image/placeholder
:::
## Load Failed
:::demo Custom failed content when error occurs to image load by `slot = error` and `slot = viewer-error`.
image/load-failed
:::
## Lazy Load
:::tip
Native `loading` has been supported since ^(2.2.3), you can use `loading = "lazy"` to replace `lazy = true`.
If the current browser supports native lazy loading, the native lazy loading will be used first, otherwise will be implemented through scroll.
:::
:::demo Use lazy load by `lazy = true`. Image will load until scroll into view when set. You can indicate scroll container that adds scroll listener to by `scroll-container`. If undefined, will be the nearest parent container whose overflow property is auto or scroll.
image/lazy-load
:::
## Image Preview
:::demo allow big image preview by setting `previewSrcList` prop. You can initialize the position of the first picture previewed by `initial-index`. The default initial position is 0.
image/image-preview
:::
## Manually Open Preview ^(2.9.4)
:::demo
image/manually-preview
:::
## Custom Toolbar ^(2.9.4)
:::demo Custom toolbar content by `toolbar` slot, starting from version ^(2.9.7), the slot has a new `setActiveItem` function, which can be switched according to the index.
image/custom-toolbar
:::
## Custom progress ^(2.9.4)
:::demo By setting the `show-progress` prop to control whether to display progress when previewing an image. After version ^(2.9.8), the progress content will be displayed as long as the `progress` slot is used.
image/custom-progress
:::
## Image API
### Image Attributes
| Name | Description | Type | Default |
| ---------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | ------- |
| src | image source, same as native. | ^[string] | '' |
| fit | indicate how the image should be resized to fit its container, same as [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit). | ^[enum]`'' \| 'fill' \| 'contain' \| 'cover' \| 'none' \| 'scale-down'` | '' |
| hide-on-click-modal | when enabling preview, use this flag to control whether clicking on backdrop can exit preview mode. | ^[boolean] | false |
| loading ^(2.2.3) | Indicates how the browser should load the image, same as [native](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#attr-loading). | ^[enum]`'eager' \| 'lazy'` | — |
| lazy | whether to use lazy load. | ^[boolean] | false |
| scroll-container | the container to add scroll listener when using lazy load. By default, the container to add scroll listener when using lazy load. | ^[string] / ^[object]`HTMLElement` | — |
| alt | native attribute `alt`. | ^[string] | — |
| referrerpolicy | native attribute [referrerPolicy](https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/referrerPolicy). | ^[string] | — |
| crossorigin | native attribute [crossorigin](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/crossorigin). | ^[enum]`'' \| 'anonymous' \| 'use-credentials'` | — |
| preview-src-list | allow big image preview. | ^[object]`string[]` | [] |
| z-index | set image preview z-index. | ^[number] | — |
| initial-index | initial preview image index, less than the length of `url-list`. | ^[number] | 0 |
| close-on-press-escape | whether the image-viewer can be closed by pressing ESC. | ^[boolean] | true |
| preview-teleported | whether to append image-viewer to body. A nested parent element attribute transform should have this attribute set to `true`. | ^[boolean] | false |
| infinite | whether the viewer preview is infinite. | ^[boolean] | true |
| zoom-rate | the zoom rate of the image viewer zoom event. | ^[number] | 1.2 |
| scale ^(2.11.3) | the preview image scale. | ^[number] | 1 |
| min-scale ^(2.4.0) | the min scale of the image viewer zoom event. | ^[number] | 0.2 |
| max-scale ^(2.4.0) | the max scale of the image viewer zoom event. | ^[number] | 7 |
| show-progress ^(2.9.4) | whether to display the preview image progress content. | ^[boolean] | false |
### Image Events
| Name | Description | Type |
| ------ | ------------------------------------------------------------------------------------------------- | ------------------------------------ |
| load | same as native load. | ^[Function]`(e: Event) => void` |
| error | same as native error. | ^[Function]`(e: Event) => void` |
| switch | trigger when switching images. | ^[Function]`(index: number) => void` |
| close | trigger when clicking on close button or when `hide-on-click-modal` enabled clicking on backdrop. | ^[Function]`() => void` |
| show | trigger when the viewer displays | ^[Function]`() => void` |
### Image Slots
| Name | Description | Type |
| ----------------------------------------- | --------------------------------------------------------------------- | ---- |
| placeholder | custom placeholder content when image hasn't loaded yet. | - |
| error | custom image load failed content. | - |
| [image viewer slots](#image-viewer-slots) | when you allow big image preview, image viewer slots all can be used. | - |
### Image Exposes
| Name | Description | Type |
| -------------------- | ------------------------------- | ----------------------- |
| showPreview ^(2.9.4) | manually open preview big image | ^[Function]`() => void` |
## Image Viewer API
### Image Viewer Attributes
| Name | Description | Type | Default |
| ---------------------- | ----------------------------------------------------------------------------------------------------------------------------- | --------------------- | ------- |
| url-list | preview link list. | ^[object]`string[]` | [] |
| z-index | preview backdrop z-index. | ^[number] / ^[string] | — |
| initial-index | the initial preview image index, less than or equal to the length of `url-list`. | ^[number] | 0 |
| infinite | whether preview is infinite. | ^[boolean] | true |
| hide-on-click-modal | whether user can emit close event when clicking backdrop. | ^[boolean] | false |
| teleported | whether to append image itself to body. A nested parent element attribute transform should have this attribute set to `true`. | ^[boolean] | false |
| zoom-rate ^(2.2.27) | the zoom rate of the image viewer zoom event. | ^[number] | 1.2 |
| scale ^(2.11.3) | the preview image scale. | ^[number] | 1 |
| min-scale ^(2.4.0) | the min scale of the image viewer zoom event. | ^[number] | 0.2 |
| max-scale ^(2.4.0) | the max scale of the image viewer zoom event. | ^[number] | 7 |
| close-on-press-escape | whether the image-viewer can be closed by pressing ESC. | ^[boolean] | true |
| show-progress ^(2.9.4) | whether to display the preview image progress content | ^[boolean] | false |
### Image Viewer Events
| Name | Description | Type |
| ---------------- | ------------------------------------------------------------------------------------------------- | ------------------------------------ |
| close | trigger when clicking on close button or when `hide-on-click-modal` enabled clicking on backdrop. | ^[Function]`() => void` |
| error ^(2.11.3) | same as native error. | ^[Function]`(e: Event) => void` |
| switch | trigger when switching images. | ^[Function]`(index: number) => void` |
| rotate ^(2.3.13) | trigger when rotating images. | ^[Function]`(deg: number) => void` |
### Image Viewer Slots
| Name | Description | Type |
| ---------------------- | ---------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| viewer | custom content | - |
| progress ^(2.9.4) | custom progress content (Priority is higher than `show-progress` prop) | ^[object]`{ activeIndex: number, total: number }` |
| toolbar ^(2.9.4) | custom toolbar content | ^[object]`{actions: (action: ImageViewerAction, options?: ImageViewerActionOptions ) => void, prev: ()=> void, next: () => void,reset: () => void, activeIndex: number }, setActiveItem: (index: number) => void` |
| viewer-error ^(2.11.3) | custom image load failed content. | ^[object]`{ activeIndex: number, src: string }` |
### Image Viewer Exposes
| Name | Description | Type |
| ------------- | --------------------- | ------------------------------------ |
| setActiveItem | manually switch image | ^[Function]`(index: number) => void` |
## Type Declarations
<details>
<summary>Show declarations</summary>
```ts
type ImageViewerAction = 'zoomIn' | 'zoomOut' | 'clockwise' | 'anticlockwise'
type ImageViewerActionOptions = {
enableTransition?: boolean
zoomRate?: number
rotateDeg?: number
}
```
</details>