這樣為什么沒(méi)出現(xiàn)結(jié)果
<!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變量存放不同面值，sum總計(jì)
for(mymoney=1;mymoney<=100;mymoney+2)
{?
? sum= sum + mymoney;
}
? document.write("sum合計(jì):"+sum);
</script>
</head>
<body>
</body>
</html>
計(jì)算1+3+5+........+99的值
2015-12-11
<!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變量存放不同面值，sum總計(jì) //?把?mymoney=2?改成?mymoney+=2 for(mymoney=1;mymoney<=100;mymoney+=2) {? ??sum=?sum?+?mymoney; } ??document.write("sum合計(jì):"+sum); </script> </head> <body> </body> </html>親，你這是個(gè)死循環(huán)，別說(shuō)出不來(lái)結(jié)果了，時(shí)間長(zhǎng)了瀏覽器崩潰都有可能。。
2015-12-18
我瀏覽器就崩潰了。。。
2015-12-11
mymoney=mymoney+2 ? ?而不是mymoney+2 ??