<!DOCTYPE html><html><head><metacharset="utf-8"><title>CSS Animations: getComputedStyle().animationComposition</title><linkrel="help"href="https://drafts.csswg.org/css-animations-2/#propdef-animation-composition"><metaname="assert"content="animation-composition computed value is as specified."><scriptsrc="/resources/testharness.js"></script><scriptsrc="/resources/testharnessreport.js"></script><scriptsrc="/css/support/computed-testcommon.js"></script></head><body><divid="target"></div><script>test_computed_value("animation-composition","replace, add, accumulate");</script></body></html>