#038Chained .catch Does Not Stop Propagation
js.medJS
1function saveUser(userData) {
2 return validateUser(userData)
3 .then(user => uploadAvatar(user))
4 .catch(err => {
5 console.error('Avatar upload failed:', err);
6 })
7 .then(user => sendWelcomeEmail(user)) // user is undefined here
8 .then(user => createDashboard(user)); // crashes
9}
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#038PracticeMedium18 min · 120 XP
Chained .catch Does Not Stop Propagation
A promise chain continues executing after an error because a .catch in the middle silently swallows and recovers.
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