A robust & optimized `String.prototype.includes` polyfill, based on the ECMAScript 6 specification.
npm install string.prototype.includesString.prototype.includes polyfill A robust & optimized polyfill for the String.prototype.includes method (previously known as String.prototype.contains) in ECMAScript 6.
This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec.
Other polyfills for String.prototype.includes are available:
*
*
Via npm:
``bash`
npm install string.prototype.includes
Then, in Node.js:
`js`
var includes = require('string.prototype.includes');
In a browser:
`html`
> NOTE: It's recommended that you install this module using a package manager
> such as npm, because loading multiple polyfills from a CDN (such as bundle.run)
> will lead to duplicated code.
Polyfills + test suites for String.prototype.startsWith and String.prototype.endsWith` are available, too.
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| Mathias Bynens |
This polyfill is available under the MIT license.