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Here is my code on http://my-localhost.com/iframe-test.html

<html>
<head><title>Welcome Iframe Test</title></head>
<body>
<iframe src="http://www.my-website.com/index.html" width="500" height="500"></iframe>
<script type="text/javascript">
function alertMyMessage(msg){
    alert(msg);
}
</script>
</body>
</html>

Here is code on http://www.my-website.com/index.html

<html>
<head></title>Welcome to my Server</title></head>
<body>
<h1>Welcome to My Server</ht>
<a href="javascript:void(0)" title="Click here" onClick="parent.alertMyMessage('Thanks for Helping me')">Click Here</a>
</body>
</html>

When i Click the "Click Here" Link. i got following Error.

Uncaught SecurityError: Blocked a frame with origin "http://www.my-website.com" from accessing a frame with origin "http://my-localhost.com". Protocols, domains, and ports must match.

Please Help me to Fix this Issue, or give some other solution for this.

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1 Answer

You cannot access the DOM of a page loaded in a frame in a different origin. This is blocked for security reasons (imagine a random website you visited opening your web mail service in a hidden iframe and you can see why).

The closest you can come, and then only if you control both websites, is to pass messages between them using the web messaging api.

In one page, write a function to handle the messages and then add it as a message event listener.

function receiveMessage(event)
{
  alert(event.data);
}

addEventListener("message", receiveMessage, false);

In the other, send the message:

parent.postMessage("This is a message", "*");

See MDN for more information


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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