console-1660111884002.log

function add(x,y){
    return x + y;
}
undefined
function show(){
console.log("I am show ");

}
undefined
show(); // Call
VM563:2 I am show 
undefined
var q = new show();
VM563:2 I am show 
undefined
typeof q;
'object'
const w = ()=>100;
undefined
w();
100
var t = new w();
VM758:1 Uncaught TypeError: w is not a constructor
    at <anonymous>:1:9
(anonymous) @ VM758:1