The Modern Web

Enabling Experimental Features

Many browsers, especially Chrome and Firefox, are being much more cautious than they used to be with regard to implementing experimental features. Where previously they would implement features with a vendor prefix and roll them out to all users, now they usually require that you explicitly enable certain features with a configuration flag.

In Firefox, you do this by entering about:config in the URL bar, at which point you’ll see a message that warns you of the consequences of dabbling in the browser’s inner workings. If this doesn’t deter you, you can find the feature you want and enable it before restarting your browser in order to gain access to the now-enabled feature.

In Chrome, the process is much the same ...