<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <title></title> </head> <body> <script> function Reverse(str) { var arr =[]; for(var i=str.length-1;i>=0;i--) { arr.push(str[i]); } return arr.join(""); } document.write(Reverse('Sacrifice leads and gains follow.')); document.write("<br />"); </script> </body> </html>