title: What does WriteResult({ "nInserted" : 1 }) mean in MongoDB?
body: <p>I inserted a document into a mongoDB collection, and received the message <code>WriteResult({ "nInserted" : 1 })</code></p>
  
  <pre><code>db.myColl1.insert({title: 'MongoDB Overview', description: 'MongoDB is no sql database',by: 'tutorials point',url: 'http://www.tutorialspoint.com',tags: ['mongodb', 'database', 'NoSQL'],likes: 100})
  WriteResult({ "nInserted" : 1 })
  </code></pre>
  
  <p>What does <code>WriteResult({ "nInserted" : 1 })</code> mean?</p>