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SVG is only supported in an img tag SVG is only supported inside an HTML <img> tag, or a Markdown image link (which is rendered as an <img> tag behind the scenes). The image upload bu...
Answer
#3: Post edited
by
trichoplax
·
2024-06-30T18:18:30Z (4 months ago)
Add Markdown versions of using external image links
- ## SVG is only supported in an img tag
SVG is only supported inside an HTML `<img>` tag.- ### The image upload button
- The image upload button above a post during editing only supports PNG, JPEG, and GIF files. These generally correspond to file extensions `.png`, `.jpg`/`.jpeg`, and `.gif`.
- ### Inline SVG
- Codidact posts support a safe subset of HTML. This means that not all tags are supported. Specifically, the `<svg>` tag is not supported.
- ### Discussion
- If you have reason to believe that either of these could be supported safely, I have started a discussion post [Should inline SVG or SVG uploads be supported in posts?](https://meta.codidact.com/posts/291887)
In the meantime the `<img>` tag is the only available option.- ## How to include SVG
- ### Still images
In order to include an SVG file in a post, it will need to be hosted online so that you can include its URL. For example, the SVG logo is hosted online by [Wikimedia](https://commons.wikimedia.org/wiki/Main_Page) and can be used in a post by including the following text:- ```html
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg" alt="The SVG logo">
- ```
- In the saved post, this is rendered as:
<img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg">- ### Animations
Animated SVG files can be included in exactly the same way. For example, an animation I uploaded to GitHub can be used in a post by including the following text:- ```html
- <img src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg" alt="Animation of a growing grid of hexagons">
- ```
Out of consideration for other users, and for [accessibility](https://www.a11yproject.com/posts/design-accessible-animation/), I recommend hiding animations and clearly labelling them as such, so that each user can choose whether or not to view them. The previous example text will give a large animated image that not everyone will want to see. The following text will give the same animated image hidden until a user chooses to view it:- ```html
- <details>
- <summary>
- Animated visualisation
- </summary>
<imgsrc="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added">- </details>
- ```
In the saved post the image will look like this:- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"- >
- </details>
- ## SVG is only supported in an img tag
- SVG is only supported inside an HTML `<img>` tag, or a Markdown image link (which is rendered as an `<img>` tag behind the scenes).
- ### The image upload button
- The image upload button above a post during editing only supports PNG, JPEG, and GIF files. These generally correspond to file extensions `.png`, `.jpg`/`.jpeg`, and `.gif`.
- ### Inline SVG
- Codidact posts support a safe subset of HTML. This means that not all tags are supported. Specifically, the `<svg>` tag is not supported.
- ### Discussion
- If you have reason to believe that either of these could be supported safely, I have started a discussion post [Should inline SVG or SVG uploads be supported in posts?](https://meta.codidact.com/posts/291887)
- In the meantime an external link is the only available option.
- ## How to include SVG
- ### Still images
- In order to include an SVG file in a post, it will need to be hosted online so that you can include its URL. For example, the SVG logo is hosted online by [Wikimedia](https://commons.wikimedia.org/wiki/Main_Page) and can be used in a post by including either of the following:
- #### Markdown
- ```text
- 
- ```
- #### HTML
- ```html
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg" alt="The SVG logo">
- ```
- In the saved post, this is rendered as:
- 
- ### Animations
- Animated SVG files can be included in exactly the same way. For example, an animation I uploaded to GitHub can be used in a post by including either of the following:
- #### Markdown
- ```text
- 
- ```
- #### HTML
- ```html
- <img src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg" alt="Animation of a growing grid of hexagons">
- ```
- Out of consideration for other users, and for [accessibility](https://www.a11yproject.com/posts/design-accessible-animation/), I recommend hiding animations and clearly labelling them as such, so that each user can choose whether or not to view them. The previous example text will give a large animated image that not everyone will want to see. Either of the following will give the same animated image hidden until a user chooses to view it:
- #### Markdown
- ```html
- <details>
- <summary>
- Animated visualisation
- </summary>
- 
- </details>
- ```
- Note that there is a blank line after the closing `</summary>` tag, and there is no indentation of the Markdown image link. Both of these are required, otherwise the raw Markdown will be rendered instead of the image. If you prefer consistent indentation and no blank line, you can use the fully HTML version shown below.
- #### HTML
- ```html
- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
- alt="Animation of a growing grid of hexagons"
- >
- </details>
- ```
- In the saved post the image will look like this:
- <details>
- <summary>
- Animated visualisation
- </summary>
- 
- </details>
#2: Post edited
by
trichoplax
·
2024-06-30T00:53:23Z (4 months ago)
Mention related discussion
- ## SVG is only supported in an img tag
- SVG is only supported inside an HTML `<img>` tag.
- ### The image upload button
- The image upload button above a post during editing only supports PNG, JPEG, and GIF files. These generally correspond to file extensions `.png`, `.jpg`/`.jpeg`, and `.gif`.
- ### Inline SVG
- Codidact posts support a safe subset of HTML. This means that not all tags are supported. Specifically, the `<svg>` tag is not supported.
- ## How to include SVG
- ### Still images
- In order to include an SVG file in a post, it will need to be hosted online so that you can include its URL. For example, the SVG logo is hosted online by [Wikimedia](https://commons.wikimedia.org/wiki/Main_Page) and can be used in a post by including the following text:
- ```html
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg" alt="The SVG logo">
- ```
- In the saved post, this is rendered as:
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg">
- ### Animations
- Animated SVG files can be included in exactly the same way. For example, an animation I uploaded to GitHub can be used in a post by including the following text:
- ```html
- <img src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg" alt="Animation of a growing grid of hexagons">
- ```
- Out of consideration for other users, and for [accessibility](https://www.a11yproject.com/posts/design-accessible-animation/), I recommend hiding animations and clearly labelling them as such, so that each user can choose whether or not to view them. The previous example text will give a large animated image that not everyone will want to see. The following text will give the same animated image hidden until a user chooses to view it:
- ```html
- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
- alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
- >
- </details>
- ```
- In the saved post the image will look like this:
- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
- alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
- >
- </details>
- ## SVG is only supported in an img tag
- SVG is only supported inside an HTML `<img>` tag.
- ### The image upload button
- The image upload button above a post during editing only supports PNG, JPEG, and GIF files. These generally correspond to file extensions `.png`, `.jpg`/`.jpeg`, and `.gif`.
- ### Inline SVG
- Codidact posts support a safe subset of HTML. This means that not all tags are supported. Specifically, the `<svg>` tag is not supported.
- ### Discussion
- If you have reason to believe that either of these could be supported safely, I have started a discussion post [Should inline SVG or SVG uploads be supported in posts?](https://meta.codidact.com/posts/291887)
- In the meantime the `<img>` tag is the only available option.
- ## How to include SVG
- ### Still images
- In order to include an SVG file in a post, it will need to be hosted online so that you can include its URL. For example, the SVG logo is hosted online by [Wikimedia](https://commons.wikimedia.org/wiki/Main_Page) and can be used in a post by including the following text:
- ```html
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg" alt="The SVG logo">
- ```
- In the saved post, this is rendered as:
- <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg">
- ### Animations
- Animated SVG files can be included in exactly the same way. For example, an animation I uploaded to GitHub can be used in a post by including the following text:
- ```html
- <img src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg" alt="Animation of a growing grid of hexagons">
- ```
- Out of consideration for other users, and for [accessibility](https://www.a11yproject.com/posts/design-accessible-animation/), I recommend hiding animations and clearly labelling them as such, so that each user can choose whether or not to view them. The previous example text will give a large animated image that not everyone will want to see. The following text will give the same animated image hidden until a user chooses to view it:
- ```html
- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
- alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
- >
- </details>
- ```
- In the saved post the image will look like this:
- <details>
- <summary>
- Animated visualisation
- </summary>
- <img
- src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
- alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
- >
- </details>
#1: Initial revision
by
trichoplax
·
2024-06-30T00:10:44Z (4 months ago)
## SVG is only supported in an img tag
SVG is only supported inside an HTML `<img>` tag.
### The image upload button
The image upload button above a post during editing only supports PNG, JPEG, and GIF files. These generally correspond to file extensions `.png`, `.jpg`/`.jpeg`, and `.gif`.
### Inline SVG
Codidact posts support a safe subset of HTML. This means that not all tags are supported. Specifically, the `<svg>` tag is not supported.
## How to include SVG
### Still images
In order to include an SVG file in a post, it will need to be hosted online so that you can include its URL. For example, the SVG logo is hosted online by [Wikimedia](https://commons.wikimedia.org/wiki/Main_Page) and can be used in a post by including the following text:
```html
<img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg" alt="The SVG logo">
```
In the saved post, this is rendered as:
<img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/SVG_Logo.svg">
### Animations
Animated SVG files can be included in exactly the same way. For example, an animation I uploaded to GitHub can be used in a post by including the following text:
```html
<img src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg" alt="Animation of a growing grid of hexagons">
```
Out of consideration for other users, and for [accessibility](https://www.a11yproject.com/posts/design-accessible-animation/), I recommend hiding animations and clearly labelling them as such, so that each user can choose whether or not to view them. The previous example text will give a large animated image that not everyone will want to see. The following text will give the same animated image hidden until a user chooses to view it:
```html
<details>
<summary>
Animated visualisation
</summary>
<img
src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
>
</details>
```
In the saved post the image will look like this:
<details>
<summary>
Animated visualisation
</summary>
<img
src="https://raw.githubusercontent.com/trichoplax/centered-hexagonal-number-animation/main/animation/centered_hexagonal_numbers.svg"
alt="Hexagonal grid with a single central hexagon having successive layers of hexagons added"
>
</details>