why can't i use int.parse in this app ?_?

Answer 1

maybe it is because of your spelling.
it muse be int.Parse()

Answer 2

Also Convert.ToInt32()

Answer 3

use parseInt(your string)
like:
var x = Math.random();
x = (x * 10)+1
x = parseInt(x)
document.write(x)

(random number from 0 to 10)