Function extend

code/songhop/www/lib/angular/angular.js:405–421

* @ngdoc function * @name angular.extend * @module ng * @kind function * * @description * Extends the destination object `dst` by copying own enumerable properties from the `src` object(s) * to `dst`. You can specify multiple `src` objects. If you want to preserve original objects, you can do

(dst)

 * @returns {Object} Reference to `dst`.
 */
function extend(dst) {
  var h = dst.$$hashKey;

  for (var i = 1, ii = arguments.length; i < ii; i++) {
    var obj = arguments[i];
    if (obj) {
      var keys = Object.keys(obj);
      for (var j = 0, jj = keys.length; j < jj; j++) {
        var key = keys[j];
        dst[key] = obj[key];
      }
    }
  }

  setHashKey(dst, h);
  return dst;
}

function int(str) {
  return parseInt(str, 10);