RefreshLoader.js
function _translateBehind() {
        if (this._zNode) {
            this._zNode = this._zNode.add(new Modifier({
                transform: Transform.behind
            }));
        }
        else {
            this._zNode = this.add(new Modifier({
                transform: Transform.behind
            }));
        }
        return this._zNode;
    }
function _translateBehind() {
        if (this._zNode) {
            this._zNode = this._zNode.add(new Modifier({
                transform: Transform.behind
            }));
        }
        else {
            this._zNode = this.add(new Modifier({
                transform: Transform.behind
            }));
        }
        return this._zNode;
    }
function _translateBehind ( ) { if ( this . _zNode ) { this . _zNode = this . _zNode . add ( new Modifier ( { transform : Transform . behind } ) ) ; } else { this . _zNode = this . add ( new Modifier ( { transform : Transform . behind } ) ) ; } return this . _zNode ; }
Helper function for giving all surfaces the correct z-index.
Helper function for giving all surfaces the correct z - index .