Capabilities

The Polymer library is in maintenance mode. Polymer is an open-source JavaScript library for building web applications using Web Components. The library is being developed by Google developers and contributors on GitHub. Modern design principles are implemented as a separate project using Google's Material Design design principles. Polymer is used by a number of Google services and websites, including the YouTube, YouTube Gaming, the redesigned Google Earth (since 2017), Google I/O 2015 and 2016 websites, Google Play Music, redesign of Google Sites and Allo for web (until its shutdown in 2019).