var r = document.getElementById("r"); var data = [ {name: 'yamada', age: 20}, {name: 'sato', age: 20}, {name: 'sazuki', age: 30} ]; var matches = _.matches({age: 20}); var result = _.filter(data, matches); // => [{name: 'yamada', age: 20}, {name: 'sato', age: 20}] r.innerHTML += result[0].name + ' '; r.innerHTML += result[1].name; // => yamada sato