diff --git a/Libraries/LibIDL/Types.h b/Libraries/LibIDL/Types.h
index e9ca0c423f1..20dbf71c626 100644
--- a/Libraries/LibIDL/Types.h
+++ b/Libraries/LibIDL/Types.h
@@ -323,9 +323,9 @@ public:
     Vector<NonnullOwnPtr<Interface>> partial_interfaces;
     Vector<Interface&> imported_modules;
 
-    HashMap<ByteString, Vector<Function&>> overload_sets;
-    HashMap<ByteString, Vector<Function&>> static_overload_sets;
-    HashMap<ByteString, Vector<Constructor&>> constructor_overload_sets;
+    OrderedHashMap<ByteString, Vector<Function&>> overload_sets;
+    OrderedHashMap<ByteString, Vector<Function&>> static_overload_sets;
+    OrderedHashMap<ByteString, Vector<Constructor&>> constructor_overload_sets;
 
     // https://webidl.spec.whatwg.org/#dfn-support-indexed-properties
     bool supports_indexed_properties() const { return indexed_property_getter.has_value(); }
diff --git a/Tests/LibWeb/Text/expected/namespace-objects-default-property-attributes.txt b/Tests/LibWeb/Text/expected/namespace-objects-default-property-attributes.txt
index c8bcca09178..f18b0b1f20b 100644
--- a/Tests/LibWeb/Text/expected/namespace-objects-default-property-attributes.txt
+++ b/Tests/LibWeb/Text/expected/namespace-objects-default-property-attributes.txt
@@ -1,360 +1,360 @@
 == CSS property descriptors
-svw writable: true
-svw configurable: true
-svw enumerable: true
-svw value before: function svw() { [native code] }
-svw value after: replaced
-lvmax writable: true
-lvmax configurable: true
-lvmax enumerable: true
-lvmax value before: function lvmax() { [native code] }
-lvmax value after: replaced
-rad writable: true
-rad configurable: true
-rad enumerable: true
-rad value before: function rad() { [native code] }
-rad value after: replaced
-ic writable: true
-ic configurable: true
-ic enumerable: true
-ic value before: function ic() { [native code] }
-ic value after: replaced
-in writable: true
-in configurable: true
-in enumerable: true
-in value before: function in() { [native code] }
-in value after: replaced
-Hz writable: true
-Hz configurable: true
-Hz enumerable: true
-Hz value before: function Hz() { [native code] }
-Hz value after: replaced
-pc writable: true
-pc configurable: true
-pc enumerable: true
-pc value before: function pc() { [native code] }
-pc value after: replaced
-rch writable: true
-rch configurable: true
-rch enumerable: true
-rch value before: function rch() { [native code] }
-rch value after: replaced
-vb writable: true
-vb configurable: true
-vb enumerable: true
-vb value before: function vb() { [native code] }
-vb value after: replaced
-number writable: true
-number configurable: true
-number enumerable: true
-number value before: function number() { [native code] }
-number value after: replaced
-dpcm writable: true
-dpcm configurable: true
-dpcm enumerable: true
-dpcm value before: function dpcm() { [native code] }
-dpcm value after: replaced
-mm writable: true
-mm configurable: true
-mm enumerable: true
-mm value before: function mm() { [native code] }
-mm value after: replaced
-cqb writable: true
-cqb configurable: true
-cqb enumerable: true
-cqb value before: function cqb() { [native code] }
-cqb value after: replaced
-supports writable: true
-supports configurable: true
-supports enumerable: true
-supports value before: function supports() { [native code] }
-supports value after: replaced
-ric writable: true
-ric configurable: true
-ric enumerable: true
-ric value before: function ric() { [native code] }
-ric value after: replaced
-dvmin writable: true
-dvmin configurable: true
-dvmin enumerable: true
-dvmin value before: function dvmin() { [native code] }
-dvmin value after: replaced
-svmin writable: true
-svmin configurable: true
-svmin enumerable: true
-svmin value before: function svmin() { [native code] }
-svmin value after: replaced
-Q writable: true
-Q configurable: true
-Q enumerable: true
-Q value before: function Q() { [native code] }
-Q value after: replaced
-pt writable: true
-pt configurable: true
-pt enumerable: true
-pt value before: function pt() { [native code] }
-pt value after: replaced
-deg writable: true
-deg configurable: true
-deg enumerable: true
-deg value before: function deg() { [native code] }
-deg value after: replaced
-vi writable: true
-vi configurable: true
-vi enumerable: true
-vi value before: function vi() { [native code] }
-vi value after: replaced
-rex writable: true
-rex configurable: true
-rex enumerable: true
-rex value before: function rex() { [native code] }
-rex value after: replaced
-ex writable: true
-ex configurable: true
-ex enumerable: true
-ex value before: function ex() { [native code] }
-ex value after: replaced
-percent writable: true
-percent configurable: true
-percent enumerable: true
-percent value before: function percent() { [native code] }
-percent value after: replaced
-rlh writable: true
-rlh configurable: true
-rlh enumerable: true
-rlh value before: function rlh() { [native code] }
-rlh value after: replaced
-lvi writable: true
-lvi configurable: true
-lvi enumerable: true
-lvi value before: function lvi() { [native code] }
-lvi value after: replaced
-lvmin writable: true
-lvmin configurable: true
-lvmin enumerable: true
-lvmin value before: function lvmin() { [native code] }
-lvmin value after: replaced
-dvi writable: true
-dvi configurable: true
-dvi enumerable: true
-dvi value before: function dvi() { [native code] }
-dvi value after: replaced
-lvw writable: true
-lvw configurable: true
-lvw enumerable: true
-lvw value before: function lvw() { [native code] }
-lvw value after: replaced
-dvw writable: true
-dvw configurable: true
-dvw enumerable: true
-dvw value before: function dvw() { [native code] }
-dvw value after: replaced
-turn writable: true
-turn configurable: true
-turn enumerable: true
-turn value before: function turn() { [native code] }
-turn value after: replaced
-registerProperty writable: true
-registerProperty configurable: true
-registerProperty enumerable: true
-registerProperty value before: function registerProperty() { [native code] }
-registerProperty value after: replaced
-fr writable: true
-fr configurable: true
-fr enumerable: true
-fr value before: function fr() { [native code] }
-fr value after: replaced
-cqmin writable: true
-cqmin configurable: true
-cqmin enumerable: true
-cqmin value before: function cqmin() { [native code] }
-cqmin value after: replaced
-rcap writable: true
-rcap configurable: true
-rcap enumerable: true
-rcap value before: function rcap() { [native code] }
-rcap value after: replaced
-dppx writable: true
-dppx configurable: true
-dppx enumerable: true
-dppx value before: function dppx() { [native code] }
-dppx value after: replaced
-rem writable: true
-rem configurable: true
-rem enumerable: true
-rem value before: function rem() { [native code] }
-rem value after: replaced
-svh writable: true
-svh configurable: true
-svh enumerable: true
-svh value before: function svh() { [native code] }
-svh value after: replaced
-dvh writable: true
-dvh configurable: true
-dvh enumerable: true
-dvh value before: function dvh() { [native code] }
-dvh value after: replaced
-vh writable: true
-vh configurable: true
-vh enumerable: true
-vh value before: function vh() { [native code] }
-vh value after: replaced
-cap writable: true
-cap configurable: true
-cap enumerable: true
-cap value before: function cap() { [native code] }
-cap value after: replaced
-px writable: true
-px configurable: true
-px enumerable: true
-px value before: function px() { [native code] }
-px value after: replaced
-grad writable: true
-grad configurable: true
-grad enumerable: true
-grad value before: function grad() { [native code] }
-grad value after: replaced
-svmax writable: true
-svmax configurable: true
-svmax enumerable: true
-svmax value before: function svmax() { [native code] }
-svmax value after: replaced
 escape writable: true
 escape configurable: true
 escape enumerable: true
 escape value before: function escape() { [native code] }
 escape value after: replaced
-cqw writable: true
-cqw configurable: true
-cqw enumerable: true
-cqw value before: function cqw() { [native code] }
-cqw value after: replaced
-s writable: true
-s configurable: true
-s enumerable: true
-s value before: function s() { [native code] }
-s value after: replaced
+supports writable: true
+supports configurable: true
+supports enumerable: true
+supports value before: function supports() { [native code] }
+supports value after: replaced
+registerProperty writable: true
+registerProperty configurable: true
+registerProperty enumerable: true
+registerProperty value before: function registerProperty() { [native code] }
+registerProperty value after: replaced
+number writable: true
+number configurable: true
+number enumerable: true
+number value before: function number() { [native code] }
+number value after: replaced
+percent writable: true
+percent configurable: true
+percent enumerable: true
+percent value before: function percent() { [native code] }
+percent value after: replaced
+cap writable: true
+cap configurable: true
+cap enumerable: true
+cap value before: function cap() { [native code] }
+cap value after: replaced
 ch writable: true
 ch configurable: true
 ch enumerable: true
 ch value before: function ch() { [native code] }
 ch value after: replaced
-vmax writable: true
-vmax configurable: true
-vmax enumerable: true
-vmax value before: function vmax() { [native code] }
-vmax value after: replaced
-ms writable: true
-ms configurable: true
-ms enumerable: true
-ms value before: function ms() { [native code] }
-ms value after: replaced
-lvh writable: true
-lvh configurable: true
-lvh enumerable: true
-lvh value before: function lvh() { [native code] }
-lvh value after: replaced
-vw writable: true
-vw configurable: true
-vw enumerable: true
-vw value before: function vw() { [native code] }
-vw value after: replaced
-cqh writable: true
-cqh configurable: true
-cqh enumerable: true
-cqh value before: function cqh() { [native code] }
-cqh value after: replaced
 em writable: true
 em configurable: true
 em enumerable: true
 em value before: function em() { [native code] }
 em value after: replaced
-dpi writable: true
-dpi configurable: true
-dpi enumerable: true
-dpi value before: function dpi() { [native code] }
-dpi value after: replaced
-cqi writable: true
-cqi configurable: true
-cqi enumerable: true
-cqi value before: function cqi() { [native code] }
-cqi value after: replaced
-cm writable: true
-cm configurable: true
-cm enumerable: true
-cm value before: function cm() { [native code] }
-cm value after: replaced
-vmin writable: true
-vmin configurable: true
-vmin enumerable: true
-vmin value before: function vmin() { [native code] }
-vmin value after: replaced
-cqmax writable: true
-cqmax configurable: true
-cqmax enumerable: true
-cqmax value before: function cqmax() { [native code] }
-cqmax value after: replaced
-dvb writable: true
-dvb configurable: true
-dvb enumerable: true
-dvb value before: function dvb() { [native code] }
-dvb value after: replaced
+ex writable: true
+ex configurable: true
+ex enumerable: true
+ex value before: function ex() { [native code] }
+ex value after: replaced
+ic writable: true
+ic configurable: true
+ic enumerable: true
+ic value before: function ic() { [native code] }
+ic value after: replaced
 lh writable: true
 lh configurable: true
 lh enumerable: true
 lh value before: function lh() { [native code] }
 lh value after: replaced
+rcap writable: true
+rcap configurable: true
+rcap enumerable: true
+rcap value before: function rcap() { [native code] }
+rcap value after: replaced
+rch writable: true
+rch configurable: true
+rch enumerable: true
+rch value before: function rch() { [native code] }
+rch value after: replaced
+rem writable: true
+rem configurable: true
+rem enumerable: true
+rem value before: function rem() { [native code] }
+rem value after: replaced
+rex writable: true
+rex configurable: true
+rex enumerable: true
+rex value before: function rex() { [native code] }
+rex value after: replaced
+ric writable: true
+ric configurable: true
+ric enumerable: true
+ric value before: function ric() { [native code] }
+ric value after: replaced
+rlh writable: true
+rlh configurable: true
+rlh enumerable: true
+rlh value before: function rlh() { [native code] }
+rlh value after: replaced
+vw writable: true
+vw configurable: true
+vw enumerable: true
+vw value before: function vw() { [native code] }
+vw value after: replaced
+vh writable: true
+vh configurable: true
+vh enumerable: true
+vh value before: function vh() { [native code] }
+vh value after: replaced
+vi writable: true
+vi configurable: true
+vi enumerable: true
+vi value before: function vi() { [native code] }
+vi value after: replaced
+vb writable: true
+vb configurable: true
+vb enumerable: true
+vb value before: function vb() { [native code] }
+vb value after: replaced
+vmin writable: true
+vmin configurable: true
+vmin enumerable: true
+vmin value before: function vmin() { [native code] }
+vmin value after: replaced
+vmax writable: true
+vmax configurable: true
+vmax enumerable: true
+vmax value before: function vmax() { [native code] }
+vmax value after: replaced
+svw writable: true
+svw configurable: true
+svw enumerable: true
+svw value before: function svw() { [native code] }
+svw value after: replaced
+svh writable: true
+svh configurable: true
+svh enumerable: true
+svh value before: function svh() { [native code] }
+svh value after: replaced
 svi writable: true
 svi configurable: true
 svi enumerable: true
 svi value before: function svi() { [native code] }
 svi value after: replaced
-kHz writable: true
-kHz configurable: true
-kHz enumerable: true
-kHz value before: function kHz() { [native code] }
-kHz value after: replaced
-dvmax writable: true
-dvmax configurable: true
-dvmax enumerable: true
-dvmax value before: function dvmax() { [native code] }
-dvmax value after: replaced
-lvb writable: true
-lvb configurable: true
-lvb enumerable: true
-lvb value before: function lvb() { [native code] }
-lvb value after: replaced
 svb writable: true
 svb configurable: true
 svb enumerable: true
 svb value before: function svb() { [native code] }
 svb value after: replaced
+svmin writable: true
+svmin configurable: true
+svmin enumerable: true
+svmin value before: function svmin() { [native code] }
+svmin value after: replaced
+svmax writable: true
+svmax configurable: true
+svmax enumerable: true
+svmax value before: function svmax() { [native code] }
+svmax value after: replaced
+lvw writable: true
+lvw configurable: true
+lvw enumerable: true
+lvw value before: function lvw() { [native code] }
+lvw value after: replaced
+lvh writable: true
+lvh configurable: true
+lvh enumerable: true
+lvh value before: function lvh() { [native code] }
+lvh value after: replaced
+lvi writable: true
+lvi configurable: true
+lvi enumerable: true
+lvi value before: function lvi() { [native code] }
+lvi value after: replaced
+lvb writable: true
+lvb configurable: true
+lvb enumerable: true
+lvb value before: function lvb() { [native code] }
+lvb value after: replaced
+lvmin writable: true
+lvmin configurable: true
+lvmin enumerable: true
+lvmin value before: function lvmin() { [native code] }
+lvmin value after: replaced
+lvmax writable: true
+lvmax configurable: true
+lvmax enumerable: true
+lvmax value before: function lvmax() { [native code] }
+lvmax value after: replaced
+dvw writable: true
+dvw configurable: true
+dvw enumerable: true
+dvw value before: function dvw() { [native code] }
+dvw value after: replaced
+dvh writable: true
+dvh configurable: true
+dvh enumerable: true
+dvh value before: function dvh() { [native code] }
+dvh value after: replaced
+dvi writable: true
+dvi configurable: true
+dvi enumerable: true
+dvi value before: function dvi() { [native code] }
+dvi value after: replaced
+dvb writable: true
+dvb configurable: true
+dvb enumerable: true
+dvb value before: function dvb() { [native code] }
+dvb value after: replaced
+dvmin writable: true
+dvmin configurable: true
+dvmin enumerable: true
+dvmin value before: function dvmin() { [native code] }
+dvmin value after: replaced
+dvmax writable: true
+dvmax configurable: true
+dvmax enumerable: true
+dvmax value before: function dvmax() { [native code] }
+dvmax value after: replaced
+cqw writable: true
+cqw configurable: true
+cqw enumerable: true
+cqw value before: function cqw() { [native code] }
+cqw value after: replaced
+cqh writable: true
+cqh configurable: true
+cqh enumerable: true
+cqh value before: function cqh() { [native code] }
+cqh value after: replaced
+cqi writable: true
+cqi configurable: true
+cqi enumerable: true
+cqi value before: function cqi() { [native code] }
+cqi value after: replaced
+cqb writable: true
+cqb configurable: true
+cqb enumerable: true
+cqb value before: function cqb() { [native code] }
+cqb value after: replaced
+cqmin writable: true
+cqmin configurable: true
+cqmin enumerable: true
+cqmin value before: function cqmin() { [native code] }
+cqmin value after: replaced
+cqmax writable: true
+cqmax configurable: true
+cqmax enumerable: true
+cqmax value before: function cqmax() { [native code] }
+cqmax value after: replaced
+cm writable: true
+cm configurable: true
+cm enumerable: true
+cm value before: function cm() { [native code] }
+cm value after: replaced
+mm writable: true
+mm configurable: true
+mm enumerable: true
+mm value before: function mm() { [native code] }
+mm value after: replaced
+Q writable: true
+Q configurable: true
+Q enumerable: true
+Q value before: function Q() { [native code] }
+Q value after: replaced
+in writable: true
+in configurable: true
+in enumerable: true
+in value before: function in() { [native code] }
+in value after: replaced
+pt writable: true
+pt configurable: true
+pt enumerable: true
+pt value before: function pt() { [native code] }
+pt value after: replaced
+pc writable: true
+pc configurable: true
+pc enumerable: true
+pc value before: function pc() { [native code] }
+pc value after: replaced
+px writable: true
+px configurable: true
+px enumerable: true
+px value before: function px() { [native code] }
+px value after: replaced
+deg writable: true
+deg configurable: true
+deg enumerable: true
+deg value before: function deg() { [native code] }
+deg value after: replaced
+grad writable: true
+grad configurable: true
+grad enumerable: true
+grad value before: function grad() { [native code] }
+grad value after: replaced
+rad writable: true
+rad configurable: true
+rad enumerable: true
+rad value before: function rad() { [native code] }
+rad value after: replaced
+turn writable: true
+turn configurable: true
+turn enumerable: true
+turn value before: function turn() { [native code] }
+turn value after: replaced
+s writable: true
+s configurable: true
+s enumerable: true
+s value before: function s() { [native code] }
+s value after: replaced
+ms writable: true
+ms configurable: true
+ms enumerable: true
+ms value before: function ms() { [native code] }
+ms value after: replaced
+Hz writable: true
+Hz configurable: true
+Hz enumerable: true
+Hz value before: function Hz() { [native code] }
+Hz value after: replaced
+kHz writable: true
+kHz configurable: true
+kHz enumerable: true
+kHz value before: function kHz() { [native code] }
+kHz value after: replaced
+dpi writable: true
+dpi configurable: true
+dpi enumerable: true
+dpi value before: function dpi() { [native code] }
+dpi value after: replaced
+dpcm writable: true
+dpcm configurable: true
+dpcm enumerable: true
+dpcm value before: function dpcm() { [native code] }
+dpcm value after: replaced
+dppx writable: true
+dppx configurable: true
+dppx enumerable: true
+dppx value before: function dppx() { [native code] }
+dppx value after: replaced
+fr writable: true
+fr configurable: true
+fr enumerable: true
+fr value before: function fr() { [native code] }
+fr value after: replaced
 == WebAssembly property descriptors
-compile writable: true
-compile configurable: true
-compile enumerable: true
-compile value before: function compile() { [native code] }
-compile value after: replaced
-instantiate writable: true
-instantiate configurable: true
-instantiate enumerable: true
-instantiate value before: function instantiate() { [native code] }
-instantiate value after: replaced
-compileStreaming writable: true
-compileStreaming configurable: true
-compileStreaming enumerable: true
-compileStreaming value before: function compileStreaming() { [native code] }
-compileStreaming value after: replaced
-instantiateStreaming writable: true
-instantiateStreaming configurable: true
-instantiateStreaming enumerable: true
-instantiateStreaming value before: function instantiateStreaming() { [native code] }
-instantiateStreaming value after: replaced
 validate writable: true
 validate configurable: true
 validate enumerable: true
 validate value before: function validate() { [native code] }
 validate value after: replaced
+compile writable: true
+compile configurable: true
+compile enumerable: true
+compile value before: function compile() { [native code] }
+compile value after: replaced
+compileStreaming writable: true
+compileStreaming configurable: true
+compileStreaming enumerable: true
+compileStreaming value before: function compileStreaming() { [native code] }
+compileStreaming value after: replaced
+instantiate writable: true
+instantiate configurable: true
+instantiate enumerable: true
+instantiate value before: function instantiate() { [native code] }
+instantiate value after: replaced
+instantiateStreaming writable: true
+instantiateStreaming configurable: true
+instantiateStreaming enumerable: true
+instantiateStreaming value before: function instantiateStreaming() { [native code] }
+instantiateStreaming value after: replaced
 CompileError writable: true
 CompileError configurable: true
 CompileError enumerable: false