## Element.prototype.replaceWith The [`Element.prototype.replaceWith()`](https://developer.mozilla.org/en-US/docs/Web/API/Element/replaceWith) method replaces this `Element` in the children list of its parent with a set of `Node` or `DOMString` objects. `DOMString` objects are inserted as equivalent `Text` nodes. Lightning Web Security runs in the main window, where the ``, ``, and `` elements are shared. Malicious code can replace those elements, corrupting the DOM of the current rendered page. ### Distorted Behavior This distortion prevents replacing shared elements ``, ``, and ``.