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Diffstat (limited to 'layout/style/test/mq_changes_child.html')
| -rw-r--r-- | layout/style/test/mq_changes_child.html | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/layout/style/test/mq_changes_child.html b/layout/style/test/mq_changes_child.html new file mode 100644 index 0000000000..f594e9f00d --- /dev/null +++ b/layout/style/test/mq_changes_child.html @@ -0,0 +1,8 @@ +<script> +const mql = matchMedia("(prefers-reduced-motion: reduce)"); +mql.addEventListener("change", event => { + parent.postMessage({ "matches": event.matches }, "*"); +}); + +window.onload = () => { parent.postMessage("ready", "*"); }; +</script> |