How a stale hardcoded counter silently killed a registration button via a timing bug

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A developer debugging a broken registration button on a credits platform traced the issue to a single uncaught TypeError, not a missing function. A live-stats helper added to replace a stale hardcoded service count was running at page load and attempting to update a DOM element that only exists after a successful registration. The null reference threw an error that crashed the entire inline script block before the doRegister function could be defined, leaving the button's onclick handler with nothing to call. The root cause was a timing mismatch: code executing at page load was writing to an element born only at runtime. The fix involved adding null guards to every DOM lookup, ensuring the live count update is also triggered after registration succeeds, and removing the stale hardcoded value entirely.

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