// 26.1.4 Reflect.deleteProperty(target, propertyKey) var $export = require('./$.export') , getDesc = require('./$').getDesc , anObject = require('./$.an-object'); $export($export.S, 'Reflect', { deleteProperty: function deleteProperty(target, propertyKey){ var desc = getDesc(anObject(target), propertyKey); return desc && !desc.configurable ? false : delete target[propertyKey]; } });