function milliseconds(x) {
if (isNaN(x)) {
return 'Not a Number!';
}
return x * 1000;
}
console.log(milliseconds('123'));
// expected output: 123000
console.log(milliseconds('123a'));
// expected output: "Not a Number!"
function milliseconds(x) {
if (isNaN(x)) {
return 'Not a Number!';
}
return x * 1000;
}
console.log(milliseconds('123'));
// expected output: 123000
console.log(milliseconds('123a'));
// expected output: "Not a Number!"