You're talking about polyfills. This is increasingly the way to do quirk-normalization. One example of the Function.prototype.bind polyfill on MDN: https://dev

You're talking about polyfills. This is increasingly the way to do quirk-normalization. One example of the Function.prototype.bind polyfill on MDN: https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind https://developer.mozilla.org/en/JavaScript/Reference/Global....