Underscore.js 1.7の使い方 Utility編 iteratee

var data = [{name: 'sato', age: 20}, {name: 'suzuki', age: 30}];
var r = document.getElementById("r");
r.innerHTML = _.map(data, _.iteratee('name'));
// => ["sato", "suzuki"]

var data = [{name: 'sato', age: 20}, {name: 'suzuki', age: 30}];
var r2 = document.getElementById("r2");
r2.innerHTML = _.map(data, _.iteratee({name: 'sato'}));
// => [true, false]