<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>JavaScript Error Handling throw Statement </title> </head> <body> <script> var num = prompt("Please enter an integer value"); try { if(num == "" || num == null || !Number.isInteger(+num)) { throw new Error("Invalid value!"); } else { document.write("Correct value!"); } } catch(c) { document.write(c.message); } </script> </body> </html>
