<html>
<head>
<title>数组的最大值的获取</title>
<script>
//定义数组
var arr = [1,4,3,9,5,0,-1,7,22];
//最大值的下标，先假定为第一个元素的下标
var index = 0;
for(var x = 0; x < arr.length; x++){
if(arr[index] < arr[x]){
index = x;
}
}
document.write("索引为" + index + "中的" + arr[index] + "最大");
</script>
</head>
<body>
<div id="time"></div>
</body>
</html>
