backbone.layoutmanager.js
function() {
    var root = this;
    var manager = root.__manager__;
    if (manager.rafID != null) {
      root.cancelAnimationFrame(manager.rafID);
    }
  }
function() {
    var root = this;
    var manager = root.__manager__;
    if (manager.rafID != null) {
      root.cancelAnimationFrame(manager.rafID);
    }
  }
function ( ) { var root = this ; var manager = root . __manager__ ; if ( manager . rafID != null ) { root . cancelAnimationFrame ( manager . rafID ) ; } }
Cancel any queued render requests.
Cancel any queued render requests .