数组排序算法-优快云博客

$(function(){
var arr = ["Jack","Book","Fung",76,"Love","Mark","中国","china","phone","刘德华"];
console.log('原数组');
console.log(arr);
console.log('for方法从小到大排序');
console.log(arrSortMinToMax(arr));
console.log('for方法从大到小排序');
console.log(arrSortMaxToMin(arr));
console.log('原数组');
console.log(arr);
});
function arrMinNum(arr){
var minNum = Infinity, index = -1,minVul = "";
for (var i = 0; i < arr.length; i++) {
if (typeof(arr[i]) == "string") {
if (arr[i].charCodeAt()<minNum) {
minNum = arr[i].charCodeAt();
minVul = arr[i];
index = i;
}
}else {
if (arr[i]<minNum) {
minNum = arr[i];
minVul = arr[i]
index = i;
}
}
};
return {"minNum":minVul,"index":index};
}
function arrSortMinToMax(arr){
var arrNew = [];
var arrOld = arr.concat();
for (var i = 0; i < arr.length; i++) {
arrNew.push(arrMinNum(arrOld).minNum);
arrOld.splice(arrMinNum(arrOld).index,1)
};
return (arrNew);
}
function arrMaxNum(arr){
var maxNum = -Infinity, index = -1,maxVul = "";
for (var i = 0; i < arr.length; i++) {
if (typeof(arr[i]) == "string") {
if (arr[i].charCodeAt()>maxNum) {
maxNum = arr[i].charCodeAt();
maxVul = arr[i];
index = i;
}
}else {
if (arr[i]>maxNum) {
maxNum = arr[i];
maxVul = arr[i];
index = i;
}
}
};
return {"maxNum":maxVul,"index":index};
}
function arrSortMaxToMin(arr){
var arrNew = [];
var arrOld = arr.slice(0);
for (var i = 0; i < arr.length; i++) {
arrNew.push(arrMaxNum(arrOld).maxNum);
arrOld.splice(arrMaxNum(arrOld).index,1);
};
return (arrNew);
}