function _isSequentiallyScrollingOptimized() {
        return !this._layout.capabilities ||
                (this._layout.capabilities.sequentialScrollingOptimized === undefined) ||
                this._layout.capabilities.sequentialScrollingOptimized;
    }
function _isSequentiallyScrollingOptimized() {
        return !this._layout.capabilities ||
                (this._layout.capabilities.sequentialScrollingOptimized === undefined) ||
                this._layout.capabilities.sequentialScrollingOptimized;
    }
function _isSequentiallyScrollingOptimized ( ) { return ! this . _layout . capabilities || ( this . _layout . capabilities . sequentialScrollingOptimized === undefined ) || this . _layout . capabilities . sequentialScrollingOptimized ; }
Helper that detects when layout is scrolling optimized (default: true).
Helper that detects when layout is scrolling optimized ( default : true ) .