1.indexMain.html 嵌套index.html;
1<button onclick="myFunction()">点击这里</button>
function myFunction () {
var child_1 = document.getElementById(‘child’);
var win = child_1.contentWindow;
win.postMessage(“你好,js”,’*’);
}
2.在index.html里
window.onmessage = function(e){
e = e || event;
alert(e.data);
}
3.点击’点击这里’,弹出:你好,js
还有其他方式,参考:http://web.jobbole.com/88525/