function isVisible() {
                if (this.$parent.overlayVisibility !== undefined && this.$parent.overlayVisibility !== false) {
                    return true;
                }

                return false;
            }
/**
             * Check whether overlay is visible or not.
             */
Check whether overlay is visible or not.
Check whether overlay is visible or not .
function isVisible() {
                if (this.$parent.overlayVisibility !== undefined && this.$parent.overlayVisibility !== false) {
                    return true;
                }
                return false;
            }
function isVisible ( ) { if ( this . $parent . overlayVisibility !== undefined && this . $parent . overlayVisibility !== false ) { return true ; } return false ; }
Check whether overlay is visible or not.
Check whether overlay is visible or not .