A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.
npm install css.escapeCSS.escape polyfill  A robust polyfill for the CSS.escape utility method as defined in CSSOM.
For a more powerful alternative, consider using cssesc, which automatically takes care of excessive whitespace, and has many options to customize the output.
In a browser:
``html`
Via npm:
`bash`
npm install css.escape
Then, in Node.js:
`js
require('css.escape');
// On Windows and on Mac systems with default settings, case doesn’t matter,
// which allows you to do this instead:
require('CSS.escape');
``
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| Mathias Bynens |
This polyfill is available under the MIT license.