# declassify Remove any classes or IDs not found in CSS from HTML - modifies HTML, not CSS. This only considers CSS contained in the HTML document inside `

``` Output: ```html // has removed class="unused"

// has removed unused-class

``` ### Options ```js var declassify = require('declassify'); var options = { ignore: [ 'ignored-class', /ignored-regex-class\-[0-9]+/, 'ignored-id', /ignored-regex-id\-[0-9]+/ ], attrs: ['id', 'class'] }; var result = declassify.process(html, options); ``` Input: ```html

``` Output: ```html

``` There are some other methods exposed by the module which can be considered public and will be considered for versioning, but please see `index.js` if you think you might need to use any of them. ## MIT Licensed