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freesewing/sites/dev/docs/reference/api/attributes/aspropsifprefixis/readme.mdx
Joost De Cock ab3204f9f1 chore: Port FreeSewing.dev to docusaurus
The replaces the NextJS site powering FreeSewing.dev with a Docusaurus
setup. It's part of my efforts to simplify FreeSewing's setup so we can
focus on our core value proposition.
2024-09-28 13:13:48 +02:00

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---
title: Attributes.asPropsIfPrefixIs()
---
The `Attributes.asPropsIfPrefixIs()` method will return attribute values as a
props object (a plain JavaScript object) but only for those keys who start with
`prefix`.
## Signature
```js
Object attributes.asPropsIfPrefixIs(string prefix)
```
## Example
```js
const attr = new Attributes()
.add('class', 'various')
.add('stroke', 'red')
.add('stroke-width', 2)
const props = attr.asPropsIfPrefixIs('stroke')
/* Props holds:
{
stroke: 'red',
stroke-width: 2
}
*/
```