---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalidFunction.js
---
# Input
```jsx
function test() {
	"use strict";
	"use strict";
}

```

# Diagnostics
```
invalidFunction.js:2:2 lint/suspicious/noRedundantUseStrict  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Redundant use strict directive.
  
    1 │ function test() {
  > 2 │ 	"use strict";
      │ 	^^^^^^^^^^^^^
    3 │ 	"use strict";
    4 │ }
  
  i The entire contents of JavaScript modules are automatically in strict mode, with no statement needed to initiate it.
  
  i Safe fix: Remove the redundant use strict directive.
  
    1 1 │   function test() {
    2   │ - → "use·strict";
    3   │ - → "use·strict";
      2 │ + → → "use·strict";
    4 3 │   }
    5 4 │   
  

```

```
invalidFunction.js:3:2 lint/suspicious/noRedundantUseStrict  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Redundant use strict directive.
  
    1 │ function test() {
    2 │ 	"use strict";
  > 3 │ 	"use strict";
      │ 	^^^^^^^^^^^^^
    4 │ }
    5 │ 
  
  i The entire contents of JavaScript modules are automatically in strict mode, with no statement needed to initiate it.
  
  i Safe fix: Remove the redundant use strict directive.
  
    1 1 │   function test() {
    2 2 │   	"use strict";
    3   │ - → "use·strict";
    4   │ - }
      3 │ + → }
    5 4 │   
  

```