呼叫函数时并传入参数值
如
myScore("May","90","100")
不是都要用引号吗?
但我看到的这个
Avg=myAvg("May","90","100")
用引号反而出不来~
请高手解答一下~谢谢^^
(一)<html>
<head>
<title>有传入参数的函数</title>
<script language="JavaScript">
<!--
function myScore(stu_Name,stu_Math,stu_Eng) { //定义myScore函数，并设定3个参数
document.write("<tr><td>学生姓名："+stu_Name+"</td><td>数学成绩："+stu_Math+"</td><td>英文成绩："+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函数并传入3个参数
myScore("Jennifer","60"); //呼叫myScore函数并传入2个参数值
myScore("May","70","90","100"); //呼叫myScore函数并传入4个参数值
//-->
</script>
</table>
</font>
</center>
</body>
</html>
(二)
<html>
<head>
<title>传回值的函数</title>
<script language="JavaScript">
<!--
function myAvg(stu_Name,stu_Math,stu_Eng) { //定义myAvg函数，并设定3个参数
stu_Avg=(stu_Math+stu_Eng)/2;
return(stu_Avg); //传回stu_Avg变数的值
}
//-->
</script>
</head>
<body>
<center>
<font face="Arial Black" color="#CC3300" size="3">
<img src="images/9.jpg" width="150">
<table width="100%">
<tr><td>学生姓名：<font face="Arial Black" color="#CC3300" size="3">Eileen</font></td><td>数学成绩：<font face="Arial Black" color="#CC3300" size="3">90</font></td><td>英文成绩：<font face="Arial Black" color="#CC3300" size="3">100</font></td></tr><tr><td colspan=3>
<script language="JavaScript">
<!--
//呼叫myAvg函数并传入3个参数，stu_Avg变数接收传回的值
Avg=myAvg("Eileen",90,100);
document.write("平均成绩："+Avg);
//-->
</script>
</td></tr>
</table>
</font>
</center>
</body>
</html>
