js冒泡排序
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var arr=[1,5,7,9,4,6,3,2,8];
for(var j=0;j<arr.length;j++){
for(var i=0;i<arr.length;i++){
if(arr[i]>arr[i+1]){
var tmp=arr[i];
arr[i]=arr[i+1];
arr[i+1]=tmp;
}
}
}
console.log(arr);
</script>
</body>
</html>