findWhere

_.findWhere(list, properties)
遍历整个 list，返回 matches（匹配） properties 参数所列出的所有 键 - 值 对的第一个值。

如果没有找到匹配的属性，或者 list 是空的，那么将返回 undefined。

_.findWhere(publicServicePulitzers, {newsroom: "The New York Times"});
=> {year: 1918, newsroom: "The New York Times",
  reason: "For its public service in publishing in full so many official reports,
  documents and speeches by European statesmen relating to the progress and
  conduct of the war."}