Windowï¼crossOriginIsolated å±æ§

å¯ä»¥åå»ºå¹¶éè¿è°ç¨ Window.postMessage() æ MessagePort.postMessage() æ¥åé SharedArrayBufferã
æå Performance.now() çç²¾åº¦ã
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const myWorker = new Worker("worker.js");

if (window.crossOriginIsolated) {
  const buffer = new SharedArrayBuffer(16);
  myWorker.postMessage(buffer);
} else {
  const buffer = new ArrayBuffer(16);
  myWorker.postMessage(buffer);
}