Confirmation box with line-breaks:
confirm("Press a button!\nEither OK or Cancel.");
Click the button to demonstrate line-breaks in a confirm box.
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*from w ww . j av a2 s . co m*/ var txt; var r = confirm("Press a button!\nEither OK or Cancel.\nThe button you pressed will be displayed in the result window."); if (r == true) { txt = "You pressed OK!"; } else { txt = "You pressed Cancel!"; } document.getElementById("demo").innerHTML = txt; } </script> </body> </html>