rem: return this.map(function(value, index) { iterator(value = collections.pluck(index)); return value; 
add: this.each(function(value, index) { results.push(value[property]); 
context:     return this.map(function(value, index) {      iterator(value = collections.pluck(index));      return value;    });
meta: 1782	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1782/a458ebb30ee90b66048c7fd858f5f39957a9be68/prototype.js/clean/webapp/sandbox/scripts/prototype.js