Sequence.prototype.pluck = function(keys) {
var result = new Sequence();
for(var i=0; i<this.sequence.length; i++) {
result.push(helper.pluck(this.sequence[i], keys));
}
return result;
}
this.getFruitNames = function (workParam) {
// total number of fruits
var fruitCount = 0;
// count number of fruits
_.each(workParam.fruitArray, function(element) {
fruitCount++;
});
// return callback object
return {
// return passed in parameter
origFruitArray: workParam.fruitArray,
// using underscore.js
fruitNames: _.pluck(workParam.fruitArray, "name"),
fruitCount: fruitCount
};
};
it('returns an array of extracted values', function() {
var stooges = [{name: 'moe', age: 40}, {name: 'larry', age: 50}, {name: 'curly', age: 60}];
expect(_.pluck(stooges, 'name')).to.eql(['moe', 'larry', 'curly']);
});