编辑下面的代码:【加编码】
<html> <body> <p id="demo"></p> <script> var x = 123; // x is a number var y = new Number(123); // y is an object document.getElementById("demo").innerHTML = x===y; </script> </body> </html>
结果: 【此窗口】 帮助?
Try it Yourself - © 自强学堂