---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid.js
---
# Input
```jsx
const x1 = "test";
x1: expr;

// nested scope
function test() {
  {
    x1: for (let i = 0; i < 10; i++) {
    }
  }
}

```

# Diagnostics
```
invalid.js:2:1 lint/suspicious/noLabelVar ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Do not use the x1 variable name as a label
  
    1 │ const x1 = "test";
  > 2 │ x1: expr;
      │ ^^
    3 │ 
    4 │ // nested scope
  
  i The variable is declared here
  
  > 1 │ const x1 = "test";
      │       ^^
    2 │ x1: expr;
    3 │ 
  
  i Creating a label with the same name as an in-scope variable leads to confusion.
  

```

```
invalid.js:7:5 lint/suspicious/noLabelVar ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Do not use the x1 variable name as a label
  
    5 │ function test() {
    6 │   {
  > 7 │     x1: for (let i = 0; i < 10; i++) {
      │     ^^
    8 │     }
    9 │   }
  
  i The variable is declared here
  
  > 1 │ const x1 = "test";
      │       ^^
    2 │ x1: expr;
    3 │ 
  
  i Creating a label with the same name as an in-scope variable leads to confusion.
  

```