rem: memo = iterator(memo, value, index); 
add: results.push(iterator(value, index)); 
context:     this.each(function(value, index) {      memo = iterator(memo, value, index);    });
meta: 3974	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3974/af9adbf17404d887f31369756326b0109da7ae2b/prototype.js/buggy/root/static/js/prototype.js