code: function parseSwagger () {
    try {
      // Clear any previous results
      editors.clearResults();
  
      // Get all the parameters
      swaggerParser = swaggerParser || new SwaggerParser();
      var options = form.getOptions();
      var method = form.method.button.val();
      var api = form.getAPI();
  
      // Call Swagger Parser
      swaggerParser[method](api, options)
        .then(function () {
          // Show the results
          var results = swaggerParser.$refs.values();
          Object.keys(results).forEach(function (key) {
            editors.showResult(key, results[key]);
          });
        })
        .catch(function (err) {
          editors.showError(ono(err));
          analytics.trackError(err);
        });
  
      // Track the operation
      counters[method]++;
      analytics.trackEvent("button", "click", method, counters[method]);
    }
    catch (err) {
      editors.showError(ono(err));
      analytics.trackError(err);
    }
  }
docs: This function is called when the "Validate it!" button is clicked.
  It calls Swagger Parser, passing it all the options selected on the form.