---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalidRecursiveFunctions.js
---
# Input
```jsx
function f() {
    f();
}

const g = () => {
    g();
}

const h = function() {
    h();
}

```

# Diagnostics
```
invalidRecursiveFunctions.js:1:10 lint/correctness/noUnusedVariables ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This function is unused.
  
  > 1 │ function f() {
      │          ^
    2 │     f();
    3 │ }
  
  i Unused variables usually are result of incomplete refactoring, typos and other source of bugs.
  

```

```
invalidRecursiveFunctions.js:5:7 lint/correctness/noUnusedVariables  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━

  ! This variable is unused.
  
    3 │ }
    4 │ 
  > 5 │ const g = () => {
      │       ^
    6 │     g();
    7 │ }
  
  i Unused variables usually are result of incomplete refactoring, typos and other source of bugs.
  
  i Unsafe fix: If this is intentional, prepend g with an underscore.
  
     3  3 │   }
     4  4 │   
     5    │ - const·g·=·()·=>·{
     6    │ - ····g();
        5 │ + const·_g·=·()·=>·{
        6 │ + ····_g();
     7  7 │   }
     8  8 │   
  

```

```
invalidRecursiveFunctions.js:9:7 lint/correctness/noUnusedVariables  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━

  ! This variable is unused.
  
     7 │ }
     8 │ 
   > 9 │ const h = function() {
       │       ^
    10 │     h();
    11 │ }
  
  i Unused variables usually are result of incomplete refactoring, typos and other source of bugs.
  
  i Unsafe fix: If this is intentional, prepend h with an underscore.
  
     7  7 │   }
     8  8 │   
     9    │ - const·h·=·function()·{
    10    │ - ····h();
        9 │ + const·_h·=·function()·{
       10 │ + ····_h();
    11 11 │   }
    12 12 │   
  

```