htmx.defineExtension('morphdom-swap', { isInlineSwap: function(swapStyle) { return swapStyle === 'morphdom'; }, handleSwap: function (swapStyle, target, fragment) { if (swapStyle === 'morphdom') { if (fragment.nodeType === Node.DOCUMENT_FRAGMENT_NODE) { // IE11 doesn't support DocumentFragment.firstElementChild morphdom(target, fragment.firstElementChild || fragment.firstChild); return [target]; } else { morphdom(target, fragment.outerHTML); return [target]; } } } });