title: trying to get a rocket to run (doesnt work :()
body: <p>So i'm currently partaking in some tasks for my school and then i came across one of them which got me a bit confused! We are asked to make the rocket launch however i am confused on how i would go about this. Hopefully, you can help me do this and thanks for reading.</p>
  
  <pre><code>            // Launch the rocket!
              var launchRocket = function (sequence) {
                  if (sequence != 321) {
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                  document[_$_f307[3]][_$_f307[2]](_$_f307[1])[0][_$_f307[0]] = _$_f307[4];
                  var e = _$_f307[5];
                  var x = _$_f307[6];
                  var n = _$_f307[7];
                  document[_$_f307[3]][_$_f307[2]](_$_f307[9])[0][_$_f307[8]] = e + x + n;
              }
          }
  </code></pre>