向外通知：
iframe外監聽：
window.addEventListener('message',function(e){
var data = https://www.cnblogs.com/songjianming/archive/2020/10/21/e.data;
console.log(data.info);//some info
console.log(data.action);//dosomething
var height = data.height;
if(height < 250){
height = 250;
}
var ifr = document.getElementById('iframeName').style.height = height + 'px';
});
iframe內發訊息：
window.parent.postMessage({height:$(document).height()}, '*');
window.parent.postMessage({action: 'dosomething', info: 'some info'},"*");
向內通知：
iframe內監聽：
window.addEventListener("message", function(e){
var data = https://www.cnblogs.com/songjianming/archive/2020/10/21/e.data;
console.log(data.info);//some info
console.log(data.action);//dosomething
});
iframe外發訊息：
document.getElementById('iframeName').contentWindow.postMessage({action: 'dosomething', info: 'some info'},"*");
轉載請註明出處，本文鏈接：https://www.uj5u.com/qiye/184558.html
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