Function invokeFirstDriver

lib/test/angular/1.8.0/angular-animate.js:3297–3308

(animationDetails)

      }

      function invokeFirstDriver(animationDetails) {
        // we loop in reverse order since the more general drivers (like CSS and JS)
        // may attempt more elements, but custom drivers are more particular
        for (var i = drivers.length - 1; i >= 0; i--) {
          var driverName = drivers[i];
          var factory = $injector.get(driverName);
          var driver = factory(animationDetails);
          if (driver) {
            return driver;
          }
        }
      }

      function beforeStart() {
        tempClasses = (tempClasses ? (tempClasses + ' ') : '') + NG_ANIMATE_CLASSNAME;