lib/runtime.js
function (fn, cb) {
  return subscribe.call(this, fn, function (value) {
    return VM.createElement(value);
  }, function (value) {
    cb(this.value = VM.setTagName(this.value, value));
  }).value;
}
function (fn, cb) {
  return subscribe.call(this, fn, function (value) {
    return VM.createElement(value);
  }, function (value) {
    cb(this.value = VM.setTagName(this.value, value));
  }).value;
}
function ( fn , cb ) { return subscribe . call ( this , fn , function ( value ) { return VM . createElement ( value ) ; } , function ( value ) { cb ( this . value = VM . setTagName ( this . value , value ) ) ; } ) . value ; }
Create an element and subscribe to any changes. This method requires a
callback function for any element changes since you can't change a tag
name in place.

@param  {Function} fn
@param  {Function} cb
@return {Element}
Create an element and subscribe to any changes . This method requires a callback function for any element changes since you can t change a tag name in place .