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Created January 18, 2016 08:01
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Firefox service worker bug with ZERO WIDTH JOINER char (0x200D)
Raw
index.html
<!DOCTYPE html>
<html><meta charset="utf-8"></head>
<body>
<script>
window.navigator.serviceWorker.register("worker.js", {scope: "/"})
.then(reg => console.log("registered", reg))
.catch(err => console.error("service worker error", err))
</script>
</body>
</html>
Raw
worker.js
// a contains a ZERO WIDTH JOINER (0x200D)
var a = "‍";
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