JSFiddle - React, Tailwind, and code Playground

JavaScript

var max = function(){
    var p = [];
    for(var i = 0; i < arguments.length; i++){
        p.push(parseInt(arguments[i]) || null);
    }
    return Math.max.apply(Math.max, p);
}

var number = prompt("Enter the number of input");
if(parseInt(number) != NaN){
    var l = [];
    for(var i = 0; i < parseInt(number); i++){
        var e = prompt("Enter number #" + (i+1));
        l.push(e);
    }
    alert("Largest number is " + max.apply(null, l));
}