diff --git a/testing/web-platform/meta/MANIFEST.json b/testing/web-platform/meta/MANIFEST.json
index 99fa2956dedfc..b0850be85f0c6 100644
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -4381497,7 +4381497,7 @@ js
 :
 [
 "
-0d90a9c630013b9b46ba49c106e0daa89da7032e
+df0090c6d605fc0ea5fca224de83e0f472618f9a
 "
 "
 support
@@ -4381555,7 +4381555,7 @@ js
 :
 [
 "
-7ffa4392b05a15dfacafa7d89c902d977ed23266
+b7ca020161071437087c349c0e8b59dbf132f764
 "
 "
 support
@@ -4381825,7 +4381825,7 @@ js
 :
 [
 "
-9a77e67ed8634ca53237edcdbf71ca26866b23f9
+0d2ea12f6db8257878087646157242cce37ed507
 "
 "
 support
@@ -4381902,7 +4381902,7 @@ html
 :
 [
 "
-2112edeeffcf5688357d98b5161e6c3ab2d761ad
+4e27f842ddeda3e2bdd78da7b8ee3f67062d1a9f
 "
 "
 testharness
@@ -4381996,7 +4381996,7 @@ html
 :
 [
 "
-b3de37f119f167469a4337d520345f820a6c4165
+7ee6a2237edd209256ac2d46be6893a5305383a0
 "
 "
 testharness
@@ -4382213,7 +4382213,7 @@ html
 :
 [
 "
-b71078d8f8094cdc43ba3adfc33d0f6f15931b33
+e0359953d2e909f69066885515f4a3f3cc00ff02
 "
 "
 testharness
@@ -4382271,7 +4382271,7 @@ html
 :
 [
 "
-07a34f07c185f4bc9dcf1b325bb51067610b430a
+a2c4581c4e80069f227fe29078bc3eb6409c8b4e
 "
 "
 testharness
@@ -4382301,7 +4382301,7 @@ html
 :
 [
 "
-c5aae1ad53235f7b0f10bc3535d9a3fe5150760f
+9845d5eaba384cced3c63ddbf4df1400b31f4994
 "
 "
 testharness
@@ -4382388,7 +4382388,7 @@ html
 :
 [
 "
-5527f44cc9c93e72214ca228fa53e830a8cfcead
+f3f16c4c648166dfdb394a41881d4a515d097e86
 "
 "
 testharness
@@ -4383066,7 +4383066,7 @@ html
 :
 [
 "
-0a8c73160e543d6f9d382b536e5c41f7d29c6e9a
+4163a8439cd08c1f8cdcb587c569653c2618e021
 "
 "
 testharness
@@ -4383164,7 +4383164,7 @@ html
 :
 [
 "
-c3d3fae2155602bbae7494e0e1439ea1a477b054
+386614ff2e20e7abd4e511bf5e9d7d492cddfeb3
 "
 "
 testharness
@@ -4383194,7 +4383194,7 @@ html
 :
 [
 "
-b29c09d395fc2815ee5441fdb06320ad02f2f3f5
+65b93222d1002e227ab1ad2e29b6e140b65bd9e4
 "
 "
 testharness
@@ -4383222,7 +4383222,7 @@ html
 :
 [
 "
-14cfbff7e2754c4ee028c7ead599e87849a60922
+0b57d27e8e1a7b7339d0e47641cbba27ab419612
 "
 "
 testharness
@@ -4383563,7 +4383563,7 @@ html
 :
 [
 "
-7990d0aee134cb33082e058b41bdaafc69bb507e
+df36732c3479f48fbb77a60176cdfa22f58a3611
 "
 "
 testharness
@@ -4383685,7 +4383685,7 @@ html
 :
 [
 "
-a3c789e2f2cbdb31e540bf5cc58850786b4ed73b
+a3c11994bbe37f26aa1c2eafbb4f287d559fae34
 "
 "
 testharness
@@ -4384552,7 +4384552,7 @@ html
 :
 [
 "
-7cfd423c071b9a8283e291f200615b2e0a69c797
+8b7704a781b712c0129b650da898ed79baad794c
 "
 "
 testharness
@@ -4384586,7 +4384586,7 @@ html
 :
 [
 "
-31e204cdc8d53bfaf0226c34a0e5daf42c813b61
+cee9ec82c20f42a5941698fc394e6babb639ace9
 "
 "
 testharness
@@ -4385195,7 +4385195,7 @@ html
 :
 [
 "
-83f53aafb1980bf991f4d12c3a3a472b82df61a6
+441e98a251187c3cc600299681306d29df11e618
 "
 "
 testharness
@@ -4385582,7 +4385582,7 @@ html
 :
 [
 "
-f967f0699a321783fe832464b6e72a2a12021746
+71a62f176f8eefd9b9168b2c222cc6d1c752d3a5
 "
 "
 testharness
@@ -4385706,7 +4385706,7 @@ html
 :
 [
 "
-115bd9943490ab09efbff70239167911eb83d933
+0d6b45c56df0f43a0eac3f364cadca2e4669c6ed
 "
 "
 testharness
@@ -4385761,7 +4385761,7 @@ html
 :
 [
 "
-e0449919ad5e744065bb0257dddfe9b488511812
+954c71a96b288530e6c22878fed7a91f42091dc2
 "
 "
 testharness
@@ -4385791,7 +4385791,7 @@ html
 :
 [
 "
-7fa9d6fa5466d2fbfeec8bbcf0718b80b52d2298
+9cbb46b6d969a6440fc5b29ee1a20d607912fc83
 "
 "
 testharness
@@ -4386066,7 +4386066,7 @@ html
 :
 [
 "
-11d6f332a1bbc943bec1ad7391610ffe776b955c
+ac4f198d7c1449f38ca14963f73b0d3d90b40b5b
 "
 "
 testharness
@@ -4386204,7 +4386204,7 @@ html
 :
 [
 "
-31f115da5321ef52be0ee1ba078b726473694b9c
+c8dbeb941bc48f4f3a92907cb140a29f96567057
 "
 "
 testharness
@@ -4386302,7 +4386302,7 @@ html
 :
 [
 "
-cf818330060143078cacbecf77724244eee55cf8
+935ceeb715edd2ffdeb7979d6824736fa82b6d2f
 "
 "
 testharness
@@ -4386521,7 +4386521,7 @@ html
 :
 [
 "
-7bbff410650c3bd234c47f080697705b088bd6a4
+caf2f85dfd459b2d48526b8f4c13b37b2bceaddb
 "
 "
 testharness
@@ -4386666,7 +4386666,7 @@ html
 :
 [
 "
-98d5dbfded1e2f10e32b14444279760fa2cdeec1
+c2460dfa1ddd26a5c2e199873c0b28189275ff83
 "
 "
 testharness
@@ -4386961,7 +4386961,7 @@ html
 :
 [
 "
-79c40dc084753d48970212eafd97ef531c0ae402
+7828f05226151ebf7d6c7ec984cae1f90ef848d2
 "
 "
 testharness
@@ -4387215,7 +4387215,7 @@ html
 :
 [
 "
-f480ec8ce51f929417b922adf60a2f9ede800fcd
+4b6863103622c5fb248dee3e3eb20d955275d037
 "
 "
 testharness
@@ -4387306,7 +4387306,7 @@ html
 :
 [
 "
-aaf77aec555b720b343a9e63adae924c730510dc
+36bf604b296c63b213d99408ab38937c62a755dc
 "
 "
 testharness
@@ -4387363,7 +4387363,7 @@ html
 :
 [
 "
-5475a6210b724ab2d6a0cefedee9c5432953c61f
+98a171ad059eaf9b8e24f3f46db4658f76773f19
 "
 "
 testharness
@@ -4387823,7 +4387823,7 @@ html
 :
 [
 "
-caa99aa4031a22f8c538e5622470560a50c4d5bc
+9409f1ffce2110c177332388988d7ddb559d3ae2
 "
 "
 testharness
diff --git a/testing/web-platform/tests/webaudio/resources/audionodeoptions.js b/testing/web-platform/tests/webaudio/resources/audionodeoptions.js
index 402a4dae76f92..1ed6d27227601 100644
--- a/testing/web-platform/tests/webaudio/resources/audionodeoptions.js
+++ b/testing/web-platform/tests/webaudio/resources/audionodeoptions.js
@@ -203,26 +203,17 @@ testChannelCount
 .
 throw
 (
+DOMException
 expectedNodeOptions
 .
 channelCount
 .
-errorType
-|
-|
-TypeError
+exceptionType
 )
 ;
 }
 else
 {
-let
-errorType
-=
-'
-NotSupportedError
-'
-;
 [
 0
 99
@@ -286,7 +277,10 @@ testValue
 .
 throw
 (
-errorType
+DOMException
+'
+NotSupportedError
+'
 )
 ;
 }
@@ -495,11 +489,12 @@ testValue
 .
 throw
 (
+DOMException
 expectedNodeOptions
 .
 channelCountMode
 .
-errorType
+exceptionType
 )
 ;
 }
@@ -797,11 +792,12 @@ testValue
 .
 throw
 (
+DOMException
 expectedNodeOptions
 .
-channelInterpretation
+channelCountMode
 .
-errorType
+exceptionType
 )
 ;
 }
diff --git a/testing/web-platform/tests/webaudio/resources/audit.js b/testing/web-platform/tests/webaudio/resources/audit.js
index 1ded3064d64f5..291c91980da81 100644
--- a/testing/web-platform/tests/webaudio/resources/audit.js
+++ b/testing/web-platform/tests/webaudio/resources/audit.js
@@ -1295,33 +1295,35 @@ errorMessage
 else
 if
 (
-typeof
-(
 this
 .
 _expected
-)
 =
 =
-"
-string
-"
-&
-&
-error
-instanceof
+=
 DOMException
 &
 &
-error
+(
+this
 .
-name
+_expectedDescription
 =
 =
 =
+undefined
+|
+|
 this
 .
-_expected
+_expectedDescription
+=
+=
+=
+error
+.
+name
+)
 )
 {
 didThrowCorrectly
@@ -1358,18 +1360,6 @@ _expected
 error
 .
 constructor
-&
-&
-this
-.
-_expected
-.
-name
-=
-=
-error
-.
-name
 )
 {
 didThrowCorrectly
@@ -1383,11 +1373,12 @@ passDetail
 actual
 }
 threw
-{
-expected
-}
 '
 +
+error
+.
+name
++
 errorMessage
 +
 '
diff --git a/testing/web-platform/tests/webaudio/resources/start-stop-exceptions.js b/testing/web-platform/tests/webaudio/resources/start-stop-exceptions.js
index 779c6a735ef29..f347d5320aaf8 100644
--- a/testing/web-platform/tests/webaudio/resources/start-stop-exceptions.js
+++ b/testing/web-platform/tests/webaudio/resources/start-stop-exceptions.js
@@ -83,6 +83,7 @@ start
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -206,6 +207,7 @@ twice
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html
index d0ba9fa0f1e89..69b4010c25a78 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html
@@ -633,6 +633,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -679,6 +680,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -725,6 +727,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -769,6 +772,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1182,6 +1186,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1240,6 +1245,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html
index 3d824c02e8c8e..74d5ee3d34e91 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html
@@ -192,6 +192,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer-copy-channel.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer-copy-channel.html
index d5a3fa2fa8606..38a00f96d1579 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer-copy-channel.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer-copy-channel.html
@@ -975,6 +975,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1015,6 +1016,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1056,6 +1058,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1098,6 +1101,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1134,6 +1138,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1389,6 +1394,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1429,6 +1435,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1469,6 +1476,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1511,6 +1519,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1547,6 +1556,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer.html
index a0c348f5f71a2..1ba539973bf85 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/audiobuffer.html
@@ -390,6 +390,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/ctor-audiobuffer.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/ctor-audiobuffer.html
index a51278da2c339..182775fb99250 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/ctor-audiobuffer.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffer-interface/ctor-audiobuffer.html
@@ -783,6 +783,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -839,6 +840,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -895,6 +897,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -951,6 +954,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -1363,6 +1367,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-channels.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-channels.html
index 7136a049d0911..5ed422030e5ec 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-channels.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-channels.html
@@ -365,6 +365,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -463,6 +464,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-connect-method-chaining.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-connect-method-chaining.html
index 766e07233e4ed..92fac6cb01a86 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-connect-method-chaining.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-connect-method-chaining.html
@@ -900,6 +900,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -979,6 +980,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html
index 9ee6ff290cc4c..a9ffcd02cd0dc 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html
@@ -1664,6 +1664,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -1715,6 +1716,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -1763,6 +1765,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect.html
index c472ad353db11..9ea3a91431d83 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect.html
@@ -1834,6 +1834,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -1923,6 +1924,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -1969,6 +1971,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -2020,6 +2023,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -2071,6 +2075,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -2131,6 +2136,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -2182,6 +2188,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode.html
index 2688b275cab7b..564c9076ddfbb 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audionode-interface/audionode.html
@@ -405,6 +405,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -442,6 +443,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -539,6 +541,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueCurve-exceptions.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueCurve-exceptions.html
index ecaa308cd8ecd..c80cd174c7978 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueCurve-exceptions.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueCurve-exceptions.html
@@ -332,6 +332,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -369,6 +370,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -406,6 +408,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -445,6 +448,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -827,6 +831,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -1155,6 +1160,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -2618,6 +2624,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -2671,6 +2678,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/automation-rate.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/automation-rate.html
index f94a5801a651e..8c3bb7efd92e3 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/automation-rate.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/automation-rate.html
@@ -1289,6 +1289,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-construction.https.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-construction.https.html
index 653b6a1b8c620..ee4b1bff63bff 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-construction.https.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-construction.https.html
@@ -208,6 +208,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-constructor-options.https.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-constructor-options.https.html
index b03005b0d7ae6..8b84e47f7d21f 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-constructor-options.https.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-constructor-options.https.html
@@ -675,6 +675,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -715,6 +716,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-biquadfilternode-interface/biquad-basic.html b/testing/web-platform/tests/webaudio/the-audio-api/the-biquadfilternode-interface/biquad-basic.html
index 8a0bef3410794..ac55e13e54edb 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-biquadfilternode-interface/biquad-basic.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-biquadfilternode-interface/biquad-basic.html
@@ -754,6 +754,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -831,6 +832,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/audiochannelmerger-basic.html b/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/audiochannelmerger-basic.html
index bc9c532546124..755f3be51cd34 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/audiochannelmerger-basic.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/audiochannelmerger-basic.html
@@ -218,6 +218,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -309,6 +310,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -423,6 +425,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -475,6 +478,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/ctor-channelmerger.html b/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/ctor-channelmerger.html
index 44098208875d1..ca925da044009 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/ctor-channelmerger.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-channelmergernode-interface/ctor-channelmerger.html
@@ -306,7 +306,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 InvalidStateError
@@ -323,7 +323,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 InvalidStateError
@@ -519,6 +519,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -570,6 +571,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -623,6 +625,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/audiochannelsplitter.html b/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/audiochannelsplitter.html
index f20fe2110f6e6..287324d98eeea 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/audiochannelsplitter.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/audiochannelsplitter.html
@@ -469,6 +469,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -501,6 +502,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.html b/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.html
index b5892feae8ead..d458218550206 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.html
@@ -298,7 +298,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 InvalidStateError
@@ -327,7 +327,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 InvalidStateError
@@ -523,6 +523,7 @@
 .
 throw
 (
+DOMException
 '
 IndexSizeError
 '
@@ -574,6 +575,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -627,6 +629,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-channels.html b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-channels.html
index 92dfe4eb8c487..dc59e54addca9 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-channels.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-channels.html
@@ -306,6 +306,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html
index 2d5615f8a604b..e2c78a6fec4e7 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolver-setBuffer-already-has-value.html
@@ -242,6 +242,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -335,6 +336,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/ctor-convolver.html b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/ctor-convolver.html
index 51b01636e954a..34f72bfcb809b 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/ctor-convolver.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/ctor-convolver.html
@@ -337,7 +337,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 NotSupportedError
@@ -356,7 +356,7 @@
 isFixed
 :
 true
-errorType
+exceptionType
 :
 '
 NotSupportedError
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode-maxdelaylimit.html b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode-maxdelaylimit.html
index 90f84bb5ca392..297d680ecb233 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode-maxdelaylimit.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode-maxdelaylimit.html
@@ -243,23 +243,24 @@
 (
 180
 )
-)
-.
-throw
-(
-"
-NotSupportedError
-"
-"
+'
+Setting
 Delay
 length
-cannot
-be
+to
 180
 seconds
 or
 more
-"
+'
+)
+.
+throw
+(
+DOMException
+'
+NotSupportedError
+'
 )
 ;
 should
@@ -274,20 +275,22 @@
 (
 0
 )
+'
+Setting
+Delay
+length
+to
+0
+seconds
+'
 )
 .
 throw
 (
-"
+DOMException
+'
 NotSupportedError
-"
-"
-Delay
-length
-cannot
-be
-0
-"
+'
 )
 ;
 should
@@ -303,20 +306,21 @@
 -
 1
 )
+'
+Setting
+Delay
+length
+to
+negative
+'
 )
 .
 throw
 (
-"
+DOMException
+'
 NotSupportedError
-"
-"
-Delay
-length
-cannot
-be
-negative
-"
+'
 )
 ;
 should
@@ -331,19 +335,18 @@
 (
 NaN
 )
+'
+Setting
+Delay
+length
+to
+NaN
+'
 )
 .
 throw
 (
 TypeError
-"
-Delay
-length
-cannot
-be
-a
-NaN
-"
 )
 ;
 let
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/ctor-dynamicscompressor.html b/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/ctor-dynamicscompressor.html
index db4ff4874aed0..e1d6848c83671 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/ctor-dynamicscompressor.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/ctor-dynamicscompressor.html
@@ -1086,6 +1086,10 @@
 options
 .
 expectedErrorType
+=
+=
+=
+TypeError
 )
 {
 should
@@ -1105,6 +1109,37 @@
 ;
 }
 else
+if
+(
+options
+.
+expectedErrorType
+=
+=
+=
+'
+NotSupportedError
+'
+)
+{
+should
+(
+createNodeFunction
+(
+)
+message
+)
+.
+throw
+(
+DOMException
+'
+NotSupportedError
+'
+)
+;
+}
+else
 {
 should
 (
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-iirfilternode-interface/iirfilter-basic.html b/testing/web-platform/tests/webaudio/the-audio-api/the-iirfilternode-interface/iirfilter-basic.html
index 9f54453189ffa..8ccc84776b170 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-iirfilternode-interface/iirfilter-basic.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-iirfilternode-interface/iirfilter-basic.html
@@ -549,6 +549,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -597,6 +598,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -645,6 +647,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -773,6 +776,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -839,6 +843,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -893,6 +898,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -947,6 +953,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
@@ -1407,6 +1414,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
@@ -1475,6 +1483,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidAccessError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/ctor-offlineaudiocontext.html b/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/ctor-offlineaudiocontext.html
index c4c233d63956c..1951134600068 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/ctor-offlineaudiocontext.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/ctor-offlineaudiocontext.html
@@ -933,6 +933,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -989,6 +990,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -1045,6 +1047,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-oscillatornode-interface/ctor-oscillator.html b/testing/web-platform/tests/webaudio/the-audio-api/the-oscillatornode-interface/ctor-oscillator.html
index 18b4f229eceb1..c7328c88fd149 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-oscillatornode-interface/ctor-oscillator.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-oscillatornode-interface/ctor-oscillator.html
@@ -660,6 +660,7 @@
 .
 throw
 (
+DOMException
 '
 InvalidStateError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-pannernode-interface/ctor-panner.html b/testing/web-platform/tests/webaudio/the-audio-api/the-pannernode-interface/ctor-panner.html
index 175905996aaac..5dad1d3ad4363 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-pannernode-interface/ctor-panner.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-pannernode-interface/ctor-panner.html
@@ -841,6 +841,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -892,6 +893,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -943,6 +945,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
@@ -1160,6 +1163,7 @@
 .
 throw
 (
+DOMException
 '
 NotSupportedError
 '
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-stereopanner-interface/ctor-stereopanner.html b/testing/web-platform/tests/webaudio/the-audio-api/the-stereopanner-interface/ctor-stereopanner.html
index 3ef8e92288912..3a8ec486e5ed6 100644
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-stereopanner-interface/ctor-stereopanner.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-stereopanner-interface/ctor-stereopanner.html
@@ -585,23 +585,9 @@
 .
 value
 ;
-let
-method
+const
+testFunction
 =
-testItem
-.
-error
-?
-'
-throw
-'
-:
-'
-notThrow
-'
-;
-should
-(
 (
 )
 =
@@ -617,6 +603,10 @@
 )
 ;
 }
+;
+const
+testDescription
+=
 new
 StereoPannerNode
 (
@@ -630,23 +620,60 @@
 )
 }
 )
-)
-[
-method
-]
+;
+if
 (
 testItem
 .
 error
 )
-;
-if
-(
-!
+{
 testItem
 .
 error
+=
+=
+=
+TypeError
+?
+should
+(
+testFunction
+testDescription
+)
+.
+throw
+(
+TypeError
 )
+:
+should
+(
+testFunction
+testDescription
+)
+.
+throw
+(
+DOMException
+'
+NotSupportedError
+'
+)
+;
+}
+else
+{
+should
+(
+testFunction
+testDescription
+)
+.
+notThrow
+(
+)
+;
 should
 (
 node
@@ -675,6 +702,7 @@
 )
 ;
 }
+}
 )
 ;
 }