尝试使用频道信息
wrapperPage.html
<body>
<div class=non-floater>
<iframe class="header" src="header.html"></iframe>
<iframe class="pageBody" src="pageBody.html" />
</div>
<script>
var channel = new MessageChannel();
var header = $(".header")[0].contentWindow;
var pageBody = $(".pageBody")[0].contentWindow;
header.onload = function() {
this.postMessage("","*", [channel.port2])
};
channel.port1.onmessage = function(e) {
if (e.data === "clicked") {
$(pageBody.document.body).html("")
}
}
</script>
</body>
header.html
<body>
<a class="clearLink" href="#">Navigation Button</a>
<script>
var port;
onmessage = function(e) {
port = e.ports[0];
}
$(".clearLink").on("click", function(e) {
port.postMessage("clicked");
});
</script>
</body>
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