json-schema-validator/test/issue-311/schema.json

{
  "type": "object",
  "properties": {
    "element": {
      "$ref": "#/$defs/element"
    }
  },
  "$defs": {
    "element": {
      "type": "array",
      "items": [
        {
          "$comment": "the comment should not lead to fail of loading schema",
          "type": "number"
        }
      ]
    }
  }
}