這樣錯在哪里,我找了半天也不知道#。#
//創(chuàng)建數(shù)組
?var? arr = ['*','##',"***","&&","****","##*"];
?? arr[7] = "**";
?//顯示數(shù)組長度
? var l=arr.length;
?
?//將數(shù)組內(nèi)容輸出,完成達到的效果。
?? for(var i=0;i<l;i++){??
????? var narr=arr.split(arr[i],2);
?????? if(narr[i][0]!='*'){
????????? var nnarr=arr.splice(arr[i],1);
?????? }
?????? }
??? nnarr.sort();
???
??? var nl=nnarr.length;
??? for(var j=0;j<nl;j++){
??????? document.write("nnarr[j]");
??????? document.write("<br />");
??? }
2016-08-23
?var arr = ['*', '##', "***", "&&", "****", "##*"];
?arr[7] = "**";
?var temp = [];
?document.write(arr.length + "<br/>");
?for (var i in arr)
?{
? ? ?if (arr[i].charAt(0) == "*")
? ? ? ? ?temp.push(arr[i]);
?}
?temp.sort();
?for (var i in temp)
?{
? ? ?document.write(temp[i] + "<br/>");
?}
這種方法就挺好的
2016-08-26
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>數(shù)組</title>
<script type="text/javascript">
var ?arr = ['*','##',"***","&&","****","##*"];
arr[7] = "**";?
alert(arr.length);
//將數(shù)組內(nèi)容輸出,完成達到的效果。
document.write(arr[0]+"<br />"+arr[7]+"<br />"+arr[2]+"<br />"+arr[4]);
</script>
</head>
<body>
</body>
</html>
2016-08-23
split()方法是用于字符串的吧,而不是數(shù)組吧
2016-08-23
首先:arr[6]打出來是undefined;
其次:arr.split()應(yīng)該有錯吧。stringObject.split(separator,howmany)這個語法是說,split是字符串的方法。。不是array的