2个for循环放一起,就不能同时执行,注释掉一个后,就能执行,问题出在哪???
代码如下:
2017-05-16
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>if...else</title>
<script type="text/JavaScript">
var mymoney,sum=0;//mymoney变量存放不同面值,sum总计
for(mymoney=1;mymoney<=10;mymoney++)
{
sum= sum + mymoney;
}for(mymoney=1;mymoney<=10;mymoney++){
document.write("sum合计:"+sum);}
</script>
</head>
<body>
</body>
</html>
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