為啥他老是無(wú)響應(yīng)
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>do...while</title>
<script type="text/javascript">
? ? var mynum =6;//mynum初值化數(shù)值為6
do
{
document.write("數(shù)字:"+mynum+"<br/>");
mynum=mynum-1;
}
while(mynum<=10)
</script>
</head>
<body>
</body>
</html>
2017-03-29
循環(huán)里是減法，mynum越來(lái)越小，while里的條件一定成立，就成死循環(huán)了，應(yīng)該是while(mynum>=1)
2019-05-15
munum-1改成mynum+1就行了
2017-03-29
mynum++就對(duì)了
2017-03-29
死循環(huán)