var domArr = [];
var htmlArr = [];
var allArr = [];
//从小到大排序
function smallToBig() {
allArr.sort(function (a, b) { return a.name - b.name });
appendDom();
//从大到小排序
function bigToSmall() {
allArr.sort(function (a, b) { return b.name - a.name });
appendDom()
//取出所有li的data-num属性放进数组
getDom()
function getDom() {
$('#catalog ul li').each(function (m) {
domArr[m] = $(this).attr("data-num");
htmlArr[m] = $(this).html();
})
for (var i = 0; i < domArr.length; i++) {
var activeSubjectsObject = {};
for (var j = 0; j < htmlArr.length; j++) {