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function getUser(userId) { return new Promise((resolve, reject) => { // Simulating database call setTimeout(() => { resolve({ id: userId, name: 'John' }); }, 1000); }); } function getUserPosts(user) { return new Promise((resolve, reject) => { // Simulating API call setTimeout(() => { resolve(['Post 1', 'Post 2', 'Post 3']); }, 1000); }); } // Chain the promises getUser(123) .then(user => { console.log('User:', user); return getUserPosts(user); }) .then(posts => { console.log('Posts:', posts); }) .catch(error => { console.error('Error:', error); });
User: { id: 123, name: 'John' } Posts: [ 'Post 1', 'Post 2', 'Post 3' ]
