| <!DOCTYPE html><!-- webkit-test-runner [ SystemPreviewEnabled=false ] --> | |
| <body> | |
| <script src="../resources/testharness.js"></script> | |
| <script src="../resources/testharnessreport.js"></script> | |
| <script> | |
| test(() => { | |
| assert_false(document.createElement("a").relList.supports("ar")); | |
| }, `a.relList.supports("ar") should be false when SystemPreviewEnabled is false.`); | |
| </script> | |
| </body> |