dotcloudJS 是一个 JavaScript 的客户端库，可让你通过简单的 API 访问强大的云服务。

示例代码：

// Start synchronizing the "people" collection
var people = dotcloud.sync.synchronize('people');

// Add an observer to be notified of changes in people.
people.observe(function(type, change) {
  console.log(people);
});
  
// Add an item to the people collection
people.push({ firstname: 'John', lastname: 'Doe' });
  
// You can use other methods from the Array prototype
people.splice(0, 1, { firstname: 'Jane', lastname: 'Doe' });
  
// Update the person object at the given index
people.at(0, { age: 25 });
  
// Iterate over the people collection
people.forEach(function(item, idx, people) {
   console.log(idx, item);
});

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