呼叫函數時並傳入參數值
如
myScore("May","90","100")
不是都要用引號嗎?
但我看到的這個
Avg=myAvg("May","90","100")
用引號反而出不來~
請高手解答一下~謝謝^^
(一)<html>
<head>
<title>有傳入參數的函數</title>
<script language="JavaScript">
<!--
function myScore(stu_Name,stu_Math,stu_Eng) { //定義myScore函數，並設定3個參數
document.write("<tr><td>學生姓名："+stu_Name+"</td><td>數學成績："+stu_Math+"</td><td>英文成績："+stu_Eng+"</td></tr>");
}
//-->
</script>
</head>
<body>
<center>
<font face="Arial Black" color="#CC3300" size="3">
<img src="images/9.jpg" width="150">
<table width="100%">
<script language="JavaScript">
<!--
myScore("Eileen","90","100"); //呼叫myScore函數並傳入3個參數
myScore("Jennifer","60"); //呼叫myScore函數並傳入2個參數值
myScore("May","70","90","100"); //呼叫myScore函數並傳入4個參數值
//-->
</script>
</table>
</font>
</center>
</body>
</html>
(二)
<html>
<head>
<title>傳回值的函數</title>
<script language="JavaScript">
<!--
function myAvg(stu_Name,stu_Math,stu_Eng) { //定義myAvg函數，並設定3個參數
stu_Avg=(stu_Math+stu_Eng)/2;
return(stu_Avg); //傳回stu_Avg變數的值
}
//-->
</script>
</head>
<body>
<center>
<font face="Arial Black" color="#CC3300" size="3">
<img src="images/9.jpg" width="150">
<table width="100%">
<tr><td>學生姓名：<font face="Arial Black" color="#CC3300" size="3">Eileen</font></td><td>數學成績：<font face="Arial Black" color="#CC3300" size="3">90</font></td><td>英文成績：<font face="Arial Black" color="#CC3300" size="3">100</font></td></tr><tr><td colspan=3>
<script language="JavaScript">
<!--
//呼叫myAvg函數並傳入3個參數，stu_Avg變數接收傳回的值
Avg=myAvg("Eileen",90,100);
document.write("平均成績："+Avg);
//-->
</script>
</td></tr>
</table>
</font>
</center>
</body>
</html>
