code: function() {
          var tests = this.tests,
              vector = [],
              i = 0,
              ln = tests.length,
              test;
  
          for (; i < ln; i++) {
              test = tests[i];
              vector.push(this[test.identity] ? 1 : 0);
          }
          return vector;
      }
docs: <debug> 
  Generates a support vector for the current browser/mode.  The result can be
  added to supportsVectors to eliminate feature detection at startup time.
  @private