yasuhiro-okada-aktsk

  propTypes: {
    // You can declare that a prop is a specific JS primitive. By default, these
    // are all optional.
    optionalArray: React.PropTypes.array,
    optionalBool: React.PropTypes.bool,
    optionalFunc: React.PropTypes.func,
    optionalNumber: React.PropTypes.number,
    optionalObject: React.PropTypes.object,
    optionalString: React.PropTypes.string,

yasuhiro-okada-aktsk

function Each(obj, fn) {
    if (obj.length) for (var i = 0, ol = obj.length, v = obj[0]; i < ol && fn(v, i) !== false; v = obj[++i]);
    else for (var p in obj) if (fn(obj[p], p) === false) break;
}