---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.js
---
# Input
```jsx
if (!true) {
	consequent;
}

true ? consequent : alternate;

// https://github.com/rome/tools/issues/2999
if (!/^NCT/.test(input)) {
	messages.push("NCT Number must start with NCT");
} else if (!/^NCT\d{8}$/.test(input)) {
	messages.push("NCT Number must have exactly 8 digits after NCT");
}

// https://github.com/rome/tools/issues/3141
function f() {
    return !!specs.variables ? specs.variables(props) : {};
}

if(+5) {} else {}
if(-5) {} else {}
if(void f()) {} else {}

```