solve these questions for javascript

1- Analyze the following code:

let a = true && 20;

let b = 0 I| 20;

let c = 0 && 20;

console.log( '${a} ${b} ${c} ');

What will appear in the console as a result of its execution?

2- Examine the following code:

x = [40, 10, 30, 20, 50];

x. sort(cmp);

How should the function cmp be declared if, after the code execution, the elements of the array x are sorted in ascending order?

3- Analyze the following code:

let test = prompt ("Run", "code");

What value will the test variable have if, after running the code, we immediately press the OK button on the newly created dialog?