//通過(guò)javascript的日期對(duì)象來(lái)得到當(dāng)前的日期，并輸出。

? var time = new Date();

? var myday = time.getDate();

? var year = time.getFullYear();

? var month = time.getMonth() + 1;

? var day = time.getDay();

? var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];

? document.write(year + "年" + month + "月" + myday + "日" + weekday[day] + "<br>");

??

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? //成績(jī)是一長(zhǎng)竄的字符串不好處理，找規(guī)律后分割放到數(shù)組里更好操作哦

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

? var scores = scoreStr.split(';');

? var sum = 0;

? for (var i = 0; i < scores.length; i++){

? ? ? document.write(scores[i]+"<br>");

? ? ? var arr = scores[i].toString();

? ? ? sum += parseInt(arr.substring(arr.length-2));

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

? }

? document.write(Math.round(sum)+"<br>");