iframe

• Inline Frame
• https://html.spec.whatwg.org/multipage/iframe-embed-object.html
• https://w3c.github.io/webappsec-cspee/
• mdn iframe
• mdn other embedding technologies
• parent 消息
  • 发送消息 - iframe.contentWindow.postMessage
  • 接收消息 - window.addEventListener('message',e=>console.log(e.data))
  • iframe.contentDocument
• iframe 消息
  • 发送消息 - window.parent.postMessage
  • 接收消息 - window.addEventListener('message',e=>console.log(e.data))
  • window.onmessage
  • window.top.postMessage