java script

 Prime or No:

<html>
<style>
body
{
    background-color: #a3d5d3;
}
</style>

<script type="text/javascript">

var a=prompt("enter a number to check prime or not");

if (a%2==0)
{
    
    alert(a+" is a Prime number");
}
else
{
      alert(a+" is not  a Prime number");
}

</script>
</html>

Bubble sort:

<html>
<style>
    body
    {
        background-color:#a3d5d3;
    }
    </style>
    <h1 align= center>Bubble Sort</h1>
    <script>
var a=[10,9,8,];

for(var i=1;i<a.length;i++)
{
    for(var j=0;j<a.length;j++)
        if(a[j]>a[j+1])
        {
            var temp=a[j];
            a[j]=a[j+1];
            a[j+1]=temp;
        }
}
document.write(a);
    </script>
</html>