html
<iframe id="kiwiIframe" v-if="showPickForm" src="${chrome.runtime.getURL("iframes/notSupport.html")}">
let kiwiIframe = document.querySelector("#kiwiIframe");
kiwiIframe.contentWindow.postMessage("support_ok", "*");
window.addEventListener("message", function () {
// console.log(event.data);
switch (event.data) {
case "support_ok":
console.log('????')
break;
}
});
window.parent.postMessage("support", "*");
window.addEventListener("message", function (event) {
// console.log(event);
switch (event.data) {
case "support":
console.log('?????')
break;
}
});