performance-timeline/resources/postmessage-entry.html

1cb0ef41Sopenharmony_ci<!doctype html>
1cb0ef41Sopenharmony_ci<script>
1cb0ef41Sopenharmony_ciaddEventListener("load", () => {
1cb0ef41Sopenharmony_ci  const entry = performance.getEntriesByType("navigation")[0];
1cb0ef41Sopenharmony_ci  try {
1cb0ef41Sopenharmony_ci    window.top.postMessage(entry, "*");
1cb0ef41Sopenharmony_ci  } catch(error) {
1cb0ef41Sopenharmony_ci    if (error.name == "DataCloneError") {
1cb0ef41Sopenharmony_ci      window.top.postMessage("PASS", "*");
1cb0ef41Sopenharmony_ci    } else {
1cb0ef41Sopenharmony_ci      window.top.postMessage("FAIL - Wrong exception name: " + error.name, "*");
1cb0ef41Sopenharmony_ci    }
1cb0ef41Sopenharmony_ci  }
1cb0ef41Sopenharmony_ci  window.top.postMessage("FAIL - No exception thrown", "*");
1cb0ef41Sopenharmony_ci});
1cb0ef41Sopenharmony_ci
1cb0ef41Sopenharmony_ci</script>