慕娘8499109
2019-12-13 15:44
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>返回值函数</title>
<script type="text/javascript">
function app2(x,y)
{ var sum,x,y;
sum = x * y;
return sum;
}
var req1 = app2(5,6);
var req2 = app2(2,3);
var sumq = rep1+rep2;
document.write("req1的值:"+req1+"<br/>");
document.write("req2的值:"+req2+"<br/>");
document.write(req1+"与"+req2+"和:"+sumq);
</script>
</head>
<body>
</body>
</html>
这写错了
var sumq = rep1+rep2;这一行变量拼写有误,改为var sumq = req1+req2;
var sumq = rep1+rep2;这一行变量拼写有误,改为req1和req2
JavaScript进阶篇
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