代码如下：

源自：7-23 编程练习

<!DOCTYPE HTML>

<html >

<head>

<title>系好安全带,准备启航</title>

//通过javascript的日期对象来得到当前的日期，并输出。

var today = new Date();

document.write(today.getFullYear()+'年'+today.getMonth()+1+'月'+today.getDate()+'日 ');

var weekday = today.getDay();

switch(weekday)

{

case 1: weekday = "星期一"; break;

case 2: weekday = "星期二"; break;

case 3: weekday = "星期三"; break;

case 4: weekday = "星期四"; break;

case 5: weekday = "星期五"; break;

case 6: weekday = "星期六"; break;

case 0: weekday = "星期日";

}

document.write(weekday+"<br/>");

//成绩是一长窜的字符串不好处理，找规律后分割放到数组里更好操作哦

var scoreStr = "小明:87;小花:81;小红:97;小天:76;小张:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";

var score = scoreStr.split(";");

// document.write(score);

//从数组中将成绩撮出来，然后求和取整，并输出。

for(var i=0,sum=0;i<score.length;++i)

{

sum+= parseInt(score[i].substr(score[i].indexOf(':')+1));

}

document.write(sum);

</script>

</head>

<body>

</body>

</html>

提问者：kwilove 2015-06-12 21:16