Products Web Articles by Stephen McGruer Stephen is a contributor to WebFundamentals Building performant expand & collapse animations When making expand and collapse effects you can use scale transforms to keep your UI performant. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated January 3, 2018.