docs: function (value) {
      // find out the touch-action by the event handlers
      if (value == TOUCH_ACTION_COMPUTE) {
        value = this.compute();
      }
  
      if (NATIVE_TOUCH_ACTION) {
        this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;
      }
      this.actions = value.toLowerCase().trim();
    }