angular-chart.js
function updateState(watcher, func) {
      watcher.disableStateWatcher = true;
      watcher.scope.$apply(func);
      watcher.disableStateWatcher = false;
    }
function updateState(watcher, func) {
      watcher.disableStateWatcher = true;
      watcher.scope.$apply(func);
      watcher.disableStateWatcher = false;
    }
function updateState ( watcher , func ) { watcher . disableStateWatcher = true ; watcher . scope . $apply ( func ) ; watcher . disableStateWatcher = false ; }
// $apply //
// $apply //