title: Use Javascript to check if JSON object contain value
body: <p>I want to check if a certain key in a JSON object like the one below contains a certain value. Let's say I want to check if the key "name", in any of the objects, has the value "Blofeld" (which is true). How can I do that?</p>
  
  <pre><code>[ {
    "id" : 19,
    "cost" : 400,
    "name" : "Arkansas",
    "height" : 198,
    "weight" : 35 
  }, {
    "id" : 21,
    "cost" : 250,
    "name" : "Blofeld",
    "height" : 216,
    "weight" : 54 
  }, {
    "id" : 38,
    "cost" : 450,
    "name" : "Gollum",
    "height" : 147,
    "weight" : 22 
  } ]
  </code></pre>