55 lines
1.5 KiB
HTML
55 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Parent document</title>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css">
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<style>
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body {
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background-color: whitesmoke;
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font-family: Arial, sans-serif;
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}
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</style>
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</head>
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<body>
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<h1>Hello world</h1>
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<div class="container-fluid">
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<div class="row">
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<div class="col-md-3">
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<h4 class="text-end">Left</h4>
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</div>
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<div class="col-md-6">
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<iframe src="child.html" id="child-container" height="200px" class="w-100"></iframe>
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</div>
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<div class="col-md-3">
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<h4>Right</h4>
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</div>
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</div>
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</div>
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</body>
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<script>
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window.addEventListener("message", function (event) {
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switch (event.data.cmd) {
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case "setHeight":
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// optionally check event.origin for security
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document.getElementById("child-container").style.height = event.data.iframeHeight + "px";
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break;
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case "openUrl":
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// optionally check event.origin for security
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window.location.href = event.data.url;
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break;
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default:
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console.warn("Unknown command received:", event.data.cmd);
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}
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});
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window.addEventListener("load", function () {
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});
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</script>
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</html> |