merge JS object properties

merge.js

// http://stackoverflow.com/a/4320620
// merge object properties
// earlier objects override later objects
function merge () {
  var o = {}
  for (var i = arguments.length - 1; i >= 0; i --) {
    var s = arguments[i]
    for (var k in s) o[k] = s[k]
  }
  return o
}