<!doctype html>
<html >
<head>
<meta charset="UTF-8" />
<title>demo01</title>
</head>
<body>
<input type="button" value="测试" οnclick="show()" />
</body>
</html>
<script type="text/javascript" >
//2,4,7,5,3,6,1
function show(){
var arr=[2,4,7,5,3,6,1];
for(var i=0;i<arr.length-1;i++){
for(var j=0;j<arr.length-1-i;j++){
//1、比较相邻的两个数；大的在后，小的在前
if(arr[j] > arr[j+1] ){
var temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
console.log(arr);
}
</script>
![JVM内存管理、直接内存和垃圾回收[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)