yet-another-intercom-hack

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Gordon
Yes, I'm afraid I just copied and pasted - I didn't set up a button to check.

Unknown Timeout usually occurs when you call clearTimeout on a timer that's already fired or been deleted.

I think your problem is:
```
if(timeout) clearTimeout(timeout);
```
It should be:
```
if(timeout) {
  clearTimeout(timeout);
  timeout = undefined;
}
```
because if it gets called twice the way it was before, it'll delete the timer that has previously been deleted.

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