編輯代碼:
查看結果 »
試一試 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Never create numbers as objects.</p> <p>Numbers and objects cannot be safely compared.</p> <p id="demo"></p> <script> var x = 500; // x is a number var y = new Number(500); // y is an object document.getElementById("demo").innerHTML = (x==y); </script> </body> </html>