<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
</head>
<body>
<script type="text/javascript">
Array.prototype.bubble_sort = function(){
var i, j, temp;
for (i = 0; i < this.length - 1; i++) {
for (j = 0; j < this.length - 1 - i; j++) {
if(this[j] > this[j + 1]){
temp = this[j];
this[j] = this[j + 1];
this[j + 1] = temp;
}
};
};
return this;
}
Array.prototype.bubble_sort2 = function(){
var i, j, temp;
for (i = 0; i < this.length - 1; i++) {
for (j = 0; j < this.length - 1 - i; j++) {
if(this[j] < this[j + 1]){
temp = this[j];
this[j] = this[j + 1];
this[j + 1] = temp;
}
};
};
return this;
}
var num = [22, 34, 3, 32, 82, 55, 89, 50, 37, 5, 64, 35, 9, 70];
num.bubble_sort();
for (var i = 0; i < num.length; i++)
document.body.innerHTML += num[i] + " ";
document.body.innerHTML += "<br>";
num.bubble_sort2();
for (var i = 0; i < num.length; i++)
document.body.innerHTML += num[i] + " ";
</script>
</body>
</html>
原文：http://www.cnblogs.com/yzzz/p/5568297.html