Swift Playgrounds is a development environment for Swift created by Apple Inc. The original macOS version of Playgrounds, launched as an integrated part of Xcode, was announced and released by Apple Inc. in June 2, 2014 during WWDC 2014
This extension adds a "Open In Playground" option to your context menu that allows you to open the selected code in either CodePen or JSFiddle. Your days of experimenting in the devtools console are over!