<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>动态函数</title><script type="text/javascript">var show = new Function("x", "y", "var sum=x+y; return sum;");//注意new Function 定义动态函数,F大写var result = show(3, 5);alert(result);</script></head><body></body></html>希望本文所述对大家的javascript程序设计有所帮助。