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#2
liaofengxian2008-07-27 17:40
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如下所示:<script language="javascript" type="text/javascript">
<!--
function myFun(x,y)
{
if (arguments.length != 2)
{
var str = "传递的参数个数有误,一共传递了" + arguments.length + "个参数<br>";
str += "传递过来的参数值分别为:<br>";
for (i=0;i<arguments.length;i++)
{
str += "第" + (i+1) + "个参数的值为:" + arguments[i] + "<br>";
}
return str;
}
else
{
var z = x * y;
return z;
}
}
document.write(myFun(2,4,8) + "<br>");
document.write(myFun(2) + "<br>");
document.write(myFun(2,4) + "<br>");
-->
</script>