問下,我這哪兒出錯了,老出現(xiàn)這句話!
<!DOCTYPE? HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>系好安全帶,準備啟航</title>
<script type="text/javascript">
?//通過javascript的日期對象來得到當前的日期,并輸出。
? var mydate=new Date();
? var week=["周末","周一","周二","周三","周四","周五","周六"]
? var num=mydate.getDay()
?document.write(mydate.getFullYear()+"年"+parseInt(mydate.getMonth()+1)+"月"+mydate.getDate()+"日"+"?? "+week[num]+"<br />")
?
? //成績是一長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 score=["[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 sum=0;
? for(var i=0;i<score.length;i++)
?{? sum=parseInt(score[i][1])+sum) }
? document.write("班級總分:"+sum+"<br />"+"班級平均分:"+sum/score.length)
? //從數(shù)組中將成績撮出來,然后求和取整,并輸出。
?
</script>
</head>
<body>
</body>
</html>
錯誤:
利用 document.write() 寫入不平衡樹引發(fā)來自網(wǎng)絡的數(shù)據(jù)被重新解析。更多信息參見 https://developer.mozilla.org/en/Optimizing_Your_Pages_for_Speculative_Parsing
2015-11-26
你的數(shù)組寫法有問題,用" "引起來表示一個整體,引用就會出錯,還有人名都是多于一個字符的,要用""或''引起來,表示一個串,你那樣寫錯了
var score=[["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]];
還有parseInt(mydate.getMonth()+1),這里沒必要用parseInt;因為mydate.getMonth()本來返回的就是0-11的整數(shù),你改過之后再看一下應該就沒問題了