iframe to parent window
window.parent.postMessage('向父窗口传递值',*);
parent window to iframe
documnet.querySelector('iframe').postMessage('向iframe传递值',*);
receive the info
window.addEventList('message', (e) => {
console.log(e.data);
});
window.parent.postMessage('向父窗口传递值',*);
documnet.querySelector('iframe').postMessage('向iframe传递值',*);
window.addEventList('message', (e) => {
console.log(e.data);
});