# {%= name %} {%= badge("fury") %} > {%= description %} Useful for protecting tokens, like templates in HTML, from being mutated when the string is transformed in some way, like from a formatter/beautifier. **Example without `preserve`** Let's say you want to use [js-beautify] on a string of html with Lo-Dash/Underscore templates, such as: ``: js-beautify will render the template unusable (and apply incorrect formatting because of the unfamiliar syntax from the Lo-Dash template): ```html ``` **Example with `preserve`** Correct. ```html ``` For the record, this is just a random example, I've had very few issues with js-beautify in general. But with or without js-beautify, this kind of token mangling does happen sometimes when you use formatters, beautifiers or similar tools. ## Install {%= include("install-npm", {save: true}) %} ## Run tests ```bash npm test ``` ## API {%= apidocs("index.js") %} ## Contributing Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue]({%= bugs.url %}) ## Author {%= include("author") %} ## License {%= copyright() %} {%= license() %} *** {%= include("footer") %} [js-beautify]: https://github.com/beautify-web/js-beautify