---
source: crates/rome_json_parser/tests/spec_test.rs
expression: snapshot
---

## Input

```json
[1,,2]
```


## AST

```
JsonRoot {
    value: JsonArrayValue {
        l_brack_token: L_BRACK@0..1 "[" [] [],
        elements: JsonArrayElementList [
            JsonNumberValue {
                value_token: JSON_NUMBER_LITERAL@1..2 "1" [] [],
            },
            COMMA@2..3 "," [] [],
            missing element,
            COMMA@3..4 "," [] [],
            JsonNumberValue {
                value_token: JSON_NUMBER_LITERAL@4..5 "2" [] [],
            },
        ],
        r_brack_token: R_BRACK@5..6 "]" [] [],
    },
    eof_token: EOF@6..6 "" [] [],
}
```

## CST

```
0: JSON_ROOT@0..6
  0: JSON_ARRAY_VALUE@0..6
    0: L_BRACK@0..1 "[" [] []
    1: JSON_ARRAY_ELEMENT_LIST@1..5
      0: JSON_NUMBER_VALUE@1..2
        0: JSON_NUMBER_LITERAL@1..2 "1" [] []
      1: COMMA@2..3 "," [] []
      2: (empty)
      3: COMMA@3..4 "," [] []
      4: JSON_NUMBER_VALUE@4..5
        0: JSON_NUMBER_LITERAL@4..5 "2" [] []
    2: R_BRACK@5..6 "]" [] []
  1: EOF@6..6 "" [] []

```

## Diagnostics

```
array_double_comma.json:1:4 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected an array, an object, or a literal but instead found ','
  
  > 1 │ [1,,2]
      │    ^
  
  i Expected an array, an object, or a literal here
  
  > 1 │ [1,,2]
      │    ^
  
```