title: Delete an object within an array, within another array
body: <p>I need to remove an object according to one of it's properties, the object is inside of an array within another array, this is my attempt which is not working:</p>
  
  <pre><code>listArray.forEach(function(entry) {
          entry.forEach(function(entry) {
              toDelete = $.grep(entry, function(a) {
                  return a = 'theValue';
              });
              delete toDelete;
          });
      });
  </code></pre>
  
  <p>Here is a JSFiddle: <a href="http://jsfiddle.net/p95qL/" rel="nofollow">http://jsfiddle.net/p95qL/</a></p>