源代码:
<html> <head> <script type="text/javascript"> function sayHello(name, age) { document.write (name + " is " + age + " years old."); } </script> </head> <body> <p>Click the following button to call the function</p> <form> <input type="button" onclick="sayHello('Zara', 7)" value="Say Hello"> </form> <p>Use different parameters inside the function and then try...</p> </body> </html>
运行结果：
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