ladybird/Tests/LibWeb/Text/input/DOM/Document-createElementNS-uppercase.html
Tim Ledbetter 5a796629c6 LibWeb: Make document.createElementNS() case-sensitive
Previously, when creating a HTML element with
`document.createElementNS()` we would convert the given local name to
lowercase before deciding which element type to return. We now no
longer perform this lower case conversion, so if an uppercase local
name is provided, an element of type `HTMLUnknownElement` will be
returned. This aligns our implementation with the specification.
2024-07-25 13:12:34 +02:00

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HTML

<!DOCTYPE html>
<script src="../include.js"></script>
<script>
test(() => {
const HTMLNS = "http://www.w3.org/1999/xhtml";
const uppercaseElement = document.createElementNS(HTMLNS, "DIV");
println(`document.createElementNS(HTMLNS, "DIV") is instance of HTMLUnknownElement: ${uppercaseElement instanceof HTMLUnknownElement}`);
const lowercaseElement = document.createElementNS(HTMLNS, "div");
println(`document.createElementNS(HTMLNS, "div") is instance of HTMLDivElement: ${lowercaseElement instanceof HTMLDivElement}`);
const uppercaseElement2 = document.createElement("DIV");
println(`document.createElement("DIV") is instance of HTMLDivElement: ${uppercaseElement2 instanceof HTMLDivElement}`);
const lowercaseElement2 = document.createElement( "div");
println(`document.createElement("div") is instance of HTMLDivElement: ${lowercaseElement2 instanceof HTMLDivElement}`);
});
</script>