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fix: set innerText instead of innerHTML #264

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merged 3 commits into from
May 8, 2024
Merged

fix: set innerText instead of innerHTML #264

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2ac5359
fix: set innerText instead of innerHTML
bsmth Feb 29, 2024
b17ba65
Merge branch 'main' into sanitize-MessageChannel-input
bsmth Mar 21, 2024
27d795c
Merge branch 'main' into sanitize-MessageChannel-input
bsmth Apr 3, 2024
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23 changes: 15 additions & 8 deletions channel-messaging-basic/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,20 @@
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width" />
<title>Channel messaging demo</title>
<style>
iframe {
border-radius: 1em;
}
</style>
</head>
<body>
<h1>Channel messaging demo</h1>
<p class="output">My body</p>
<p class="output">Index.html para (I will be overwritten)</p>
<iframe src="page2.html" width="480" height="320"></iframe>
<script>
const channel = new MessageChannel();
const output = document.querySelector('.output');
const iframe = document.querySelector('iframe');
const channel = new MessageChannel();
const output = document.querySelector(".output");
const iframe = document.querySelector("iframe");

// Wait for the iframe to load
iframe.addEventListener("load", onLoad);
Expand All @@ -22,14 +27,16 @@ <h1>Channel messaging demo</h1>
// Listen for messages on port1
channel.port1.onmessage = onMessage;
// Transfer port2 to the iframe
iframe.contentWindow.postMessage("Hello from the main page!", "*", [
channel.port2,
]);
iframe.contentWindow.postMessage(
"A message from the index.html page!",
"*",
[channel.port2]
);
}

// Handle messages received on port1
function onMessage(e) {
output.innerHTML = e.data;
output.innerText = e.data;
}
</script>
</body>
Expand Down
16 changes: 11 additions & 5 deletions channel-messaging-basic/page2.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,19 +4,25 @@
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width" />
<title>My page title</title>
<title>Page 2</title>
<style>
body {
background-color: aliceblue;
font-family: monospace;
}
</style>
</head>
<body>
<p class="output">iFrame body</p>
<p class="output">page2.html (iframe body)</p>
<script>
const output = document.querySelector(".output");

window.addEventListener("message", onMessage);

function onMessage(e) {
output.innerHTML = e.data;
// Use the transfered port to post a message back to the main frame
e.ports[0].postMessage("Message back from the IFrame");
output.innerText = e.data;
// Use the transferred port to post a message to the main frame
e.ports[0].postMessage("A message from the iframe in page2.html");
}
</script>
</body>
Expand Down
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