Array.prototype.sortByParam

Array.prototype.sortByParams.js

Array.prototype.sortByParam = function(param) {
  return this.sortByParams([param]);
};
Array.prototype.sortByParams = function() {
  var params = arguments[0];
  if( !params
      || (!params.length || params.length == 0)
      || typeof params !== 'object'
      || !params.constructor
      || params.nodeType
      || params.item ) {
    params = Array.prototype.slice.call(arguments);
  }
  this.sort(function(a,b){
    return function(params){
      var _params = params.concat();
      if(_params.length == 0) return -1;
      var param = _params.shift();
      if(a[param] == b[param]) {
        return arguments.callee(_params);
      } else {
        return a[param] > b[param] ? 1 : -1;
      }
    }(params);
  });
};

/* Usage
[{one: 'a', two: 'c', three: 'd'}
,{one: 'b', two: 'a', three: 'e'}
,{one: 'c', two: 'b', three: 'a'}
,{one: 'c', two: 'a', three: 'c'}
,{one: 'a', two: 'c', three: 'b'}
].sortByParams('one','two','three');
*/