<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<script type="text/javascript">
var arr = [2,5,8,9,100,51,52]
alert(quOu(arr))
function quOu(arr){
var newArr=[];
for(var i=0;i<arr.length;i++){
if(arr[i]%2!=0){
newArr.push(arr[i]);
}
}
return newArr;
}
</script>
</body>
</html>