Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Never create strings as objects.</p> <p>JavaScript cannot compare objects.</p> <p id="demo"></p> <script> var x = new String("John"); var y = new String("John"); document.getElementById("demo").innerHTML = x==y; </script> </body> </html>