function deepClone (target,origin) {
      var target = target || {};     for (props in origin) {
          if (origin.hasOwnProperty(props)) {
              if ( typeof origin[props] === 'object') {
                  target[props] = origin[props] instanceof Array ? [] : {}                 deepClone(target[props],origin[props])             } else {
                  target[props] = origin[props]             }         }     }     return target; }