jquery - Javascript Function Find -

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i have been giving javascript @ , i'm finding hard solve this.

i need write function findbyname correct name name tom jones passed in.

so far have this.. 

  locatorservice.prototype.findbydirector = function() {    };        describe('describe text', function () {         it('sub text', function() {           var locatorservice = new search.locatorservice(data);           var expectedresult = [data[0]];           expect(locatorservice.findbyname('tom jones')).to.eql(expectedresult);         });       });          var data = [         {           title: 'movie 1',           startfate: new date('2015-01-01'),           cast: [],           crew: [             { credit: 'director', name: 'tom jones' },             { credit: 'producer', name: 'bill baily' }           ]         },

any ideas, new object orientated java script.

is thing want? underscore.js good!


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