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Add a generic createElementNS overload for the XHTML namespace #2582

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Merged
github-actions merged 1 commit into from
Nov 6, 2026
Merged

Add a generic createElementNS overload for the XHTML namespace #2582

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1 change: 1 addition & 0 deletions baselines/dom.generated.d.ts
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Expand Up @@ -13395,6 +13395,7 @@ interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEve
*
* [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElementNS)
*/
createElementNS<K extends keyof HTMLElementTagNameMap>(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: K): HTMLElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: string): HTMLElement;
createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: K): SVGElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: string): SVGElement;
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1 change: 1 addition & 0 deletions baselines/ts5.5/dom.generated.d.ts
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Expand Up @@ -13384,6 +13384,7 @@ interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEve
*
* [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElementNS)
*/
createElementNS<K extends keyof HTMLElementTagNameMap>(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: K): HTMLElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: string): HTMLElement;
createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: K): SVGElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: string): SVGElement;
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1 change: 1 addition & 0 deletions baselines/ts5.6/dom.generated.d.ts
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Expand Up @@ -13392,6 +13392,7 @@ interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEve
*
* [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElementNS)
*/
createElementNS<K extends keyof HTMLElementTagNameMap>(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: K): HTMLElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: string): HTMLElement;
createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: K): SVGElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: string): SVGElement;
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1 change: 1 addition & 0 deletions baselines/ts5.9/dom.generated.d.ts
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Expand Up @@ -13392,6 +13392,7 @@ interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEve
*
* [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createElementNS)
*/
createElementNS<K extends keyof HTMLElementTagNameMap>(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: K): HTMLElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/1999/xhtml", qualifiedName: string): HTMLElement;
createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: K): SVGElementTagNameMap[K];
createElementNS(namespaceURI: "http://www.w3.org/2000/svg", qualifiedName: string): SVGElement;
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1 change: 1 addition & 0 deletions inputfiles/addedTypes.jsonc
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Expand Up @@ -240,6 +240,7 @@
"createElementNS": {
"name": "createElementNS",
"additionalSignatures": [
"createElementNS<K extends keyof HTMLElementTagNameMap>(namespaceURI: \"http://www.w3.org/1999/xhtml\", qualifiedName: K): HTMLElementTagNameMap[K]",
"createElementNS(namespaceURI: \"http://www.w3.org/1999/xhtml\", qualifiedName: string): HTMLElement",
"createElementNS<K extends keyof SVGElementTagNameMap>(namespaceURI: \"http://www.w3.org/2000/svg\", qualifiedName: K): SVGElementTagNameMap[K]",
"createElementNS(namespaceURI: \"http://www.w3.org/2000/svg\", qualifiedName: string): SVGElement",
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7 changes: 7 additions & 0 deletions unittests/files/createelementns.ts
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@@ -0,0 +1,7 @@
const div: HTMLDivElement = document.createElementNS("http://www.w3.org/1999/xhtml", "div");
const input: HTMLInputElement = document.createElementNS("http://www.w3.org/1999/xhtml", "input");
const custom: HTMLElement = document.createElementNS("http://www.w3.org/1999/xhtml", "my-element");
const circle: SVGCircleElement = document.createElementNS("http://www.w3.org/2000/svg", "circle");

// @ts-expect-error an XHTML div is not an input element
const wrong: HTMLInputElement = document.createElementNS("http://www.w3.org/1999/xhtml", "div");
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