<html> <head> <title>練習</title> </head> <body> <script type="text/javascript"> var a,beta; a=0.33; function Person() { ks=Math.pow(a,2)+mx(a); beta=ks; } function mx(x){ var c1; c1=5+x; return c1; } Person.prototype.say = function(){ alert(beta); }; Person.prototype.say2 = function(){ alert(a); }; var tax = new Person(); tax.say(); </script> </body> </html>
