這是怎么實(shí)現(xiàn)的額
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>數(shù)組</title>
<script type="text/javascript">
?//創(chuàng)建數(shù)組
?var arr = ['*','##',"***","&&","****","##*"];
arr[7] = "**";
var myarr=[];
for(var i=0;i<arr.length;i++) {
if(arr[i]){
if(arr[i].indexOf('*') > -1) {
if(arr[i].split('*').join('').length<=0) {
myarr.push(arr[i]);
}}}}
myarr.sort();
document.write(myarr.join('<br/>'));
</script>
</head>
<body>
</body>
</html>
2015-08-14
一顆星在數(shù)組的哪個(gè)位置，二顆星呢，三顆星呢？然后輸出不就可以了嗎
document.write("</br>"+arr[0]+"</br>"+arr[7]+"</br>"+arr[2]+"</br>"+arr[4])