源代码:
<html> <head> <script type="text/javascript"> <!-- var func = function(x,y){ return x*y }; function secondFunction(){ var result; result = func(10,20); document.write ( result ); } //--> </script> </head> <body> <p>Click the following button to call the function</p> <form> <input type="button" onclick="secondFunction()" value="Call Function"> </form> <p>Use different parameters inside the function and then try...</p> </body> </html>
运行结果：
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