父窗口
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<iframe src="test2.html"></iframe>
<
iframe
src
=
"test2.html"
></
>
<script>
script
function receiveMessage(e) {
alert(e.data);
}
window.addEventListener("message", receiveMessage, false);
</script>
</
子窗口test2.html
test2.html
<input type="text" value="send" id="input" />
input
type
"text"
value
"send"
id
"input"
/>
<input type="button" value="send" id="button" />
"button"
document.getElementById('button').onclick = function () {
top.postMessage(document.getElementById('input').value, '*');
};