Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script>

    header("del 1");
    del1();
    footer();
    header("del 2");
    del2();
    footer();
    header("del 3");
    del3();
    footer();
    header("del 4");
    del4();
    footer();
    header("del 5");
    del5();
    footer();


    function header(tittel) {
        console.log("-------------------------- " + tittel +  " --------------------------")
    }
    function footer() {
        console.log("-------------------------- end --------------------------\n\n")}

    function del1() {
         var Array1 = [];
         var Array2 = [];

         for (i = 1; i < 11; i++) {
             Array1.push(" " + i);
         }
         for (i = 1; i < 11; i++) {
             Array2.push(" " + (11 - i));
         }
         console.log(Array1.toString());
         console.log(Array2.toString());
         }

    function del2() {
        var random = ((Math.floor((Math.random()*60))+1));
        while (i != random){
            i = (Math.floor((Math.random()*60))+1);
        }
        console.log("tallet er: " + i);
    }
    function del3() {
        var random = ((Math.floor((Math.random()*1000000))+1));
        console.log("tallet er: " + random);
        var starttid = new Date;
        var count = 0;
        while (i != random){

            i = (Math.floor((Math.random()*1000000))+1);
            count++
        }
        var sluttid = new Date;
        console.log ("Datamaskinen brukte: " + (sluttid - starttid) + "ms og " + count + " forsøk på å gjette tallet " + i);
    }

    function del4() {
        function isPrime(num) {
            for(var i = 2; i < num; i++)
                if(num % i === 0) return false;
            return num !== 1;
        }
        var primtall = [];
        for (i = 1; i < 200; i++) {
            if (isPrime(i)){
                primtall.push(" " + i);
            }
        }
        console.log(primtall.toString());

    }
    function del5() {

        for (k = 1; k <= 7; k++){

            var array = [];

            for (r = 1; r <= 9; r++) {

                array.push("K" + k + "," + "R" + r + " ");
            }

            console.log(array.join(" "));

            var array = [];

        }

    }


</script>


</body>