build/web/c0.js
function(partialProps, callback) {
    // This is a deoptimized path. We optimize for always having an element.
    // This creates an extra internal element.
    var element = this._pendingElement || this._currentElement;
    this._pendingElement = ReactElement.cloneAndReplaceProps(
      element,
      assign({}, element.props, partialProps)
    );
    ReactUpdates.enqueueUpdate(this, callback);
  }
function(partialProps, callback) {
    // This is a deoptimized path. We optimize for always having an element.
    // This creates an extra internal element.
    var element = this._pendingElement || this._currentElement;
    this._pendingElement = ReactElement.cloneAndReplaceProps(
      element,
      assign({}, element.props, partialProps)
    );
    ReactUpdates.enqueueUpdate(this, callback);
  }
function ( partialProps , callback ) { // This is a deoptimized path. We optimize for always having an element. // This creates an extra internal element. var element = this . _pendingElement || this . _currentElement ; this . _pendingElement = ReactElement . cloneAndReplaceProps ( element , assign ( { } , element . props , partialProps ) ) ; ReactUpdates . enqueueUpdate ( this , callback ) ; }
Schedule a partial update to the props. Only used for internal testing.

@param {object} partialProps Subset of the next props.
@param {?function} callback Called after props are updated.
@final
@internal
Schedule a partial update to the props . Only used for internal testing .