var n = prompt("Enter radius of circle (cm)", ""); var area = n * n * Math.PI; alert("Area of circle is " + area + " cm");

Question

How do write cm^2 in javascript(on last line), please? I don't know. (I am not good at English)

Answer 1

alternate option

var n = prompt("Enter radius of circle (cm)", "");
var area = n * n * Math.PI;
var power="\u00B2";
alert("Area of circle is " + area + " cm"+power);

you have to use character code to show the specific character .

Answer 2

I don't understand. I code on smart phone.

Answer 3

Thank you verry much!