源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <script> var x1=34.00; var x2=34; var y=123e5; var z=123e-5; document.write(x1 + "<br>") document.write(x2 + "<br>") document.write(y + "<br>") document.write(z + "<br>") </script> </body> </html>
运行结果