 window.name API allows websites to store data that will persist after the user has navigated the tab to a different website. This mechanism could be partitioned so that data is not allowed to persist between websites.</span></div></td><td><div class='dataPoint tooltipParent good'
> &nbsp;
<span class="tooltipText">write: (secret) => parent.postMessage({"write window.name": secret})

read: () => new Promise((resolve) => {
      parent.postMessage({"read window.name": true}, "*");
      addEventListener("mes