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<title>网页标题</title>
<meta name="keywords" content="关键字列表" />
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//定义一个数组这个数组中有9个元素然后将这个数组中的元素为奇数的平均值求出来
var sum=0;
var arr=[97,12,23,58,41,74,19,22,15];
for (var i=0;i<arr.length;i++){
if (arr[i]%2!=0){
sum +=arr[i];
}
}
document.write(sum);
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