rem: return this.elements[i - 1]; 
add: return (i < 1 || i > this.dimensions()) ? null : this.elements[i - 1]; 
context:     this.e = function(i) {      return this.elements[i - 1];    };
meta: 3877	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3877/5342f77e527065daffa19bf795180e4a4cdb069b/jsmetric.src.js/buggy/jsmetric.src.js