nedap server: gracefully handle missing backend
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@ -44,7 +44,8 @@ var updateBackendTimeout;
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function updateBackend() {
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if (!updateBackendTimeout) {
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updateBackendTimeout = setTimeout(function() {
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backend.sendUTF(JSON.stringify({ scores: scores }));
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if (backend)
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backend.sendUTF(JSON.stringify({ scores: scores }));
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updateBackendTimeout = undefined;
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}, 50);
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}
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