rem: return this[this.length - 1] || false; 
add: return this[this.length - 1] || null; 
context: 	getLast: function(){		return this[this.length - 1] || false;	}
meta: 5237	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5237/c47307caef769410e4ca7869b44888641aca8e8e/Array.js/buggy/Native/Array.js