What is the output of the following JavaScript code?console.log([..."abc"].reverse().join(""), typeof NaN, [1, 2, 3].indexOf(4));

console.log([..."abc"].reverse().join(""), typeof NaN, [1, 2, 3].indexOf(4));

Explanation

The string is spread into letters, reversed and joined to "cba"; typeof NaN is "number"; indexOf returns −1 when the element is absent.