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> myNumber=2; while (myNumber!=Infinity){ myNumber=myNumber*myNumber; document.write(myNumber +'<BR>'); } </script> </body> </html>
运行结果