這個(gè)為什么出不來
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>返回值函數(shù)</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+"與"+req2+"和:"+sumq);
</script>
</head>
<body>
</body>
</html>
2019-12-13
這寫錯(cuò)了
2020-10-27
var sumq = rep1+rep2;這一行變量拼寫有誤,改為var sumq = req1+req2;
2019-12-13
var sumq = rep1+rep2;這一行變量拼寫有誤，改為req1和req2