title: How to import json file into indexeddb?
body: <p>I am doing an app that store some data in the IndexedDB, but I want to load first some data that is in my json file.</p>
  
  <p>Here is my json file: </p>
  
  <pre><code>{
    "ciudades":[
      {
        "ciudad":"Asuncion",
        "latitud":-25.2985296,
        "longitud":-57.6710677
      },
      {
        "ciudad":"Caaguazu",
        "latitud":-25.465034,
        "longitud":-56.0183859
      },
      {
        "ciudad":"Ciudad del Este",
        "latitud":-25.4933441,
        "longitud":-54.6710438
      },
       {
        "ciudad":"San Pedro",
        "latitud":-24.1586759,
        "longitud":-56.636503
      },
       {
        "ciudad":"Pedro Juan Caballero",
        "latitud":-22.5450875,
        "longitud":-55.7618963
      }
   ]
  }
  </code></pre>