function bubbleSort(array){
var len = array.length;
for(i=0;i<len;i++){
for(j=i+1;j<len;j++){
if(array[i]>array[j]){
var temp = array[j]; //temp用来暂时存储array[j]的值
array[j]=array[i];
array[i]=temp;
}
}
}
return array;
}
var a = ["B","A","E","C","D"];
console.log(bubbleSort(a));