📅  最后修改于: 2022-03-11 15:02:25.140000             🧑  作者: Mango
var iframe = document.getElementsByTagName('iframe')[0],
iDoc = iframe.contentWindow // sometimes glamorous naming of variable
|| iframe.contentDocument; // makes your code working :)
if (iDoc.document) {
iDoc = iDoc.document;
iDoc.body.addEventListener('afterLayout', function(){
console.log('works');
});
};