what is the script on how to calculate the average of numbers from 0 to 100 inclusive

Answer 1

var sum,a,ave;
sum=0;
for(a=0;a<100;++a){sum=sum+a}
ave=sum/100

Answer 2

var n = 100;
document.write("Average of numbers from 0 to " + n + ": " + n/2);

Answer 3

var a,sum=0;
for(a=1;a<=100;a++)
{
sum+=a; // sum=sum+a

}
sum/=100; //sum=sum / 100
document.write(sum);