getUnique
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function getUnique(list) {
'use strict';
return Array.prototype.reduce.call(list, function(result, current) {
if (result.indexOf(current) < 0) {
result.push(current);
}
return result;
}, []);
}
var a = {};
var b = {};
var u = getUnique([a,b,b,a]);
console.log(u[0] === a); // true
console.log(u[1] === b); // true
console.log(u.length === 2); // true
JavaScript
INFO