function func1() {}
function func2(a, b) {}
console.log(func1.length);
// expected output: 0
console.log(func2.length);
// expected output: 2
function func1() {}
function func2(a, b) {}
console.log(func1.length);
// expected output: 0
console.log(func2.length);
// expected output: 2