var r = document.getElementById("r"); var data = [ { name: 'ito', age: 10, sex: 'Male' }, { name: 'sato', age: 20, sex: 'Male' }, { name: 'yamada', age: 20, sex: 'Female' }, { name: 'suzuki', age: 30, sex: 'Female' } ]; var arr = _.where(data, {age: 20}); console.log(arr); // => [Object { name="sato", age=20, sex="Male"}, Object { name="yamada", age=20, sex="Female"}] r.innerHTML = arr[1].name; // => 'yamada'