var html/template.jsonMarshalType
2 uses
html/template (current package)
js.go#L128: var jsonMarshalType = reflect.TypeFor[json.Marshaler]()
js.go#L142: for !v.Type().Implements(jsonMarshalType) && v.Kind() == reflect.Pointer && !v.IsNil() {
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)