Hello everyone. Can someone explain me this code !

Question

https://code.sololearn.com/W3VC30597j4t/?ref=app
https://code.sololearn.com/W3VC30597j4t/?ref=app

Answer 1

This is the same as that only in shorter form:

if(x<y) {
var z = x;
}
else {
var z = y;
}
console.log(z)

Answer 2

let x=(condition)?val1:val2;

if condition is true x get val1
else it get val 2