LibWeb: Update spec comments using "Type(Foo)" -> "is a Foo"

Author: https://github.com/AtkinsSJ
Commit: f31c18756b
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2079

Userland/Libraries/LibWeb/HTML/CustomElements/CustomElementRegistry.cpp

@@ -60,7 +60,7 @@ static JS::ThrowCompletionOr<Vector<String>> convert_value_to_sequence_of_string
 {
     // FIXME: De-duplicate this from the IDL generator.
     // An ECMAScript value V is converted to an IDL sequence<T> value as follows:
-    // 1. If Type(V) is not Object, throw a TypeError.
+    // 1. If V is not an Object, throw a TypeError.
     if (!value.is_object())
         return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, value.to_string_without_side_effects());
 
@@ -188,7 +188,7 @@ JS::ThrowCompletionOr<void> CustomElementRegistry::define(String const& name, We
         // 1. Let prototype be ? Get(constructor, "prototype").
         auto prototype_value = TRY(constructor->callback->get(vm.names.prototype));
 
-        // 2. If Type(prototype) is not Object, then throw a TypeError exception.
+        // 2. If prototype is not an Object, then throw a TypeError exception.
         if (!prototype_value.is_object())
             return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, prototype_value.to_string_without_side_effects());
 

Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.cpp

@@ -229,7 +229,7 @@ struct SerializeBitmapResult {
 static ErrorOr<SerializeBitmapResult> serialize_bitmap(Gfx::Bitmap const& bitmap, StringView type, Optional<double> quality)
 {
     // If type is an image format that supports variable quality (such as "image/jpeg"), quality is given, and type is not "image/png", then,
-    // if Type(quality) is Number, and quality is in the range 0.0 to 1.0 inclusive, the user agent must treat quality as the desired quality level.
+    // if quality is a Number in the range 0.0 to 1.0 inclusive, the user agent must treat quality as the desired quality level.
     // Otherwise, the user agent must use its default quality value, as if the quality argument had not been given.
     if (quality.has_value() && !(*quality >= 0.0 && *quality <= 1.0))
         quality = OptionalNone {};

Userland/Libraries/LibWeb/HTML/StructuredSerialize.cpp

@@ -169,7 +169,7 @@ public:
         auto deep = false;
 
         bool return_primitive_type = true;
-        // 4. If Type(value) is Undefined, Null, Boolean, Number, BigInt, or String, then return { [[Type]]: "primitive", [[Value]]: value }.
+        // 4. If value is undefined, null, a Boolean, a Number, a BigInt, or a String, then return { [[Type]]: "primitive", [[Value]]: value }.
         if (value.is_undefined()) {
             serialize_enum(m_serialized, ValueTag::UndefinedPrimitive);
         } else if (value.is_null()) {
@@ -193,7 +193,7 @@ public:
         if (return_primitive_type)
             return m_serialized;
 
-        // 5. If Type(value) is Symbol, then throw a "DataCloneError" DOMException.
+        // 5. If value is a Symbol, then throw a "DataCloneError" DOMException.
         if (value.is_symbol())
             return WebIDL::DataCloneError::create(*m_vm.current_realm(), "Cannot serialize Symbol"_string);