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Contents
# property-no-vendor-prefix
Disallow vendor prefixes for properties.
<!-- prettier-ignore -->
```css
a { -webkit-transform: scale(1); }
/** ↑
* This prefix */
```
This rule does not blanketly condemn vendor prefixes. Instead, it uses [Autoprefixer's](https://github.com/postcss/autoprefixer) up-to-date data (from [caniuse.com](http://caniuse.com/)) to know whether a vendor prefix should cause a violation or not. _If you've included a vendor prefixed property that has a standard alternative, one that Autoprefixer could take care of for you, this rule will complain about it_. If, however, you use a non-standard vendor-prefixed property, one that Autoprefixer would ignore and could not provide (such as `-webkit-touch-callout`), this rule will ignore it.
## Options
### `true`
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a { -webkit-transform: scale(1); }
```
<!-- prettier-ignore -->
```css
a { -moz-columns: 2; }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a { transform: scale(1); }
```
<!-- prettier-ignore -->
```css
a {
columns: 2; }
```
<!-- prettier-ignore -->
```css
a { -webkit-touch-callout: none; }
```
## Optional secondary options
### `ignoreProperties: ["/regex/", /regex/, "string"]`
Given:
```
["transform", "columns"]
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a { -webkit-transform: scale(1); }
```
<!-- prettier-ignore -->
```css
a { -moz-columns: 2; }
```
Version data entries
23 entries across 23 versions & 1 rubygems