js mean code example

Example 1: what does js stand for

let heresTheAnswer = "it basically means JavaScript, simple as it is";
console.log(heresTheAnswer);

Example 2: what does the ... mean in javascript

const x = [1,2,3,4,5];
Math.max(x) // NaN
Math.max(...x) // 5
// Math.max(...x) = Math.max(1,2,3,4,5)