title: How to remove a nested JSON element?
body: <p>My JSON looks like this.</p>
  
  <pre><code>var data =  [{
          "ID"                  : 3,
          "discRec"             : "Some sample record",
          "Tasks"               : [{
                                  "ID"          : 7,
                                  "discParcel"  : ["string1", "string2"]
                                  }]
          }, 
          {
          "ID"                  : 4,
          "discRec"             : "Some sample record 2",
          "Tasks"               : [{
                                  "ID"          : 8,
                                  "discParcel"  : ["string3", "string4"]
                                  }]
          }];
  </code></pre>
  
  <p>Now, i want to remove a first element of 'discParcel' which has ID attr as '8' which has parent ID attr as '4. How to do that in angular 2. Can anybody help.</p>