---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.js
---
# Input
```jsx
Number.isFinite(Number.NaN);

globalThis.Number.isFinite(Number.NaN);

function localIsFinite(isFinite) {
    isFinite({});
}

function localVar() {
    var isFinite;
    isFinite()
}

localIsFinite(Number.isFinite);

```