test-browser/index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Browser Test</title>
<script src="./iso3166-1.js"></script>
<script>
console.log('window.iso31661', window.iso31661)
console.log('USA', ' <- to3() -> ', window.iso31661.from('USA').to3() + '\n') // USA
console.log('USA', ' <- to2() -> ', window.iso31661.from('USA').to2() + '\n') // US
console.log('USA', ' <- to3() -> ', window.iso31661.from('US').to3() + '\n') // USA
console.log('USA', ' <- to2() -> ', window.iso31661.from('US').to2() + '\n') // US
console.log('en-US', ' <- to3() -> ', window.iso31661.fromLocale('en-US').to3() + '\n') // USA
console.log('en-US', ' <- to2() -> ', window.iso31661.fromLocale('en-US').to2() + '\n') // US
</script>
</head>
<body>
open console
</body>
</html>