johnny-five/wip/oa.js

The JavaScript Arduino Programming Framework.

var $getOwnPropertyNames = Object.getOwnPropertyNames;

Object.assign1 = function assign(target, source) {
  var props = $getOwnPropertyNames(source);
  var p,
      length = props.length;
  for (p = 0; p < length; p++) {
    target[props[p]] = source[props[p]];
  }
  return target;
};


Object.assign2 = function assign(target) {
  var sources = [].slice.call(arguments, 1);
  var sLength = sources.length;
  var i, source, props, p, length;

console.log( sources );
  // for (i = 0; i < sLength; i++) {
  //   source = Object(sources[i]);
  //   props = $getOwnPropertyNames(source);
  //   length = props.length;
  //   console.log( sources[i], length );
  //   for (p = 0; p < length; p++) {
  //     target[props[p]] = source[props[p]];
  //   }
  // }

  return target;
};


var a = { a: 1 };
var b = { b: 2 };
var c = { c: 3 };

// var r1 = [a, b, c].reduce(Object.assign1, {});
var r2 = [a, b, c].reduce(Object.assign2, {});

// console.log( r1 );
console.log( r2 );