冒泡排序

打算接下来的时间有空就学学算法，用JS实现，放在博客里，虽说前端用到算法的时候好像貌似似乎不多，但是学学还是好的，万一用上了呢？

var arr = [25,32,7,14,99];
var x = 1;
length = arr.length;
while(x <= (length - 1)){
	for (var i = 0; i < (arr.length-x); i++) {
		var that = arr[i];
		var cthat = arr[i+1];
		if(that<cthat){
	        var val = that;
	        arr[i] = cthat;
	        arr[i+1] = val;
	    }
	};
	x++;
}