diff --git a/src/cdk/drag-drop/drag-ref.ts b/src/cdk/drag-drop/drag-ref.ts index 3d79211636d4..a8c138a05d37 100644 --- a/src/cdk/drag-drop/drag-ref.ts +++ b/src/cdk/drag-drop/drag-ref.ts @@ -829,7 +829,10 @@ export class DragRef<T = any> { const parent = element.parentNode as HTMLElement; const placeholder = (this._placeholder = this._createPlaceholderElement()); const anchor = (this._anchor = - this._anchor || this._document.createComment(ngDevMode ? 'cdk-drag-anchor' : '')); + this._anchor || + this._document.createComment( + typeof ngDevMode === 'undefined' || ngDevMode ? 'cdk-drag-anchor' : '', + )); // Insert an anchor node so that we can restore the element's position in the DOM. parent.insertBefore(anchor, element);