Underscore.js 1.7の使い方 Collections編 matches

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