What would be the output of the following Javascript code?

var string1 = "Fee";  
var intvalue = 10000;  
alert( string1 + intvalue );

What will be the output of the following code snippet?

(function(){
 setTimeout(()=> console.log(1),2000);
 console.log(2);
 setTimeout(()=> console.log(3),0);
 console.log(4);
})();

What will be the output of the following code snippet?

var a = Math.max();
var b = Math.min();
console.log(a);
console.log(b);