What's wrong in this code?

Question

Addition became concatenation
https://code.sololearn.com/WiPC6QU1FcWA/?ref=app

Answer 1

the return type of window.prompt it a string, that mean you should cast the value given to Number:

var a = Number(prompt("Enter first number:"));
var b = Number(prompt("Enter second number:"));

Answer 2

Mohamed ELomari Seeing your problem was already resolved it would be great if you can mark the answer that you find useful to encourage the community to help each other out. 😉

Answer 3

Thank you for help. Casting Number worked correctly

Answer 4

use the '\n' for the newline character

Answer 5

Thanks. I have to use "<br />" instead