title: how to read object by object in nodejs without knowing its structure from a json file
body: <p>my json file data:</p>
  
  <pre><code>[
      {"name":"a","queryname":"Query_1","type":"user","context":"novell","searchsubcontainer":false},
      {"name":"aa","queryname":"Query_2","type":"user","context":"novell","searchsubcontainer":true},
      {"name":"admin","queryname":"Query_3","type":"user","context":"microfocus","searchsubcontainer":true},
      {"name":"*","type":"","context":"novell","searchsubcontainer":true,"queryname":"default"},
      {"name":"John","type":"user","context":"novell","searchsubcontainer":true,"auxClasses":[],"advancedFlag":true,"advancedFilter":{"condition":"and","rules":[{"field":"city","operator":"equals","value":"provo"},{"field":"personalTitle","operator":"equals","value":"employee"}]},"queryname":"john"},
      {"name":"jack","type":"user","context":"novell","searchsubcontainer":true,"auxClasses":[],"advancedFlag":true,"advancedFilter":{"condition":"and","rules":[{"field":"city","operator":"equals","value":"utah"},{"field":"personalTitle","operator":"equals","value":"manager"}]},"queryname":"jack"},
      {"name":"Martin","type":"user","context":"novell","searchsubcontainer":true,"queryname":"martin"},
      {"name":"Luke","type":"user","context":"novell","searchsubcontainer":true,"queryname":"luke"},
      {"name":"Anay","type":"user","context":"novell","searchsubcontainer":true,"queryname":"Anay"}
  ]
  </code></pre>
  
  <p>how do i read these data in nodejs and delete a particular entry in the file using the attribute <code>queryname</code>. is there any way to read object by object from the json array ?</p>