https://www.honyfunds.com/js/function.js

1"use strict"; !
2function(t, i) {
3    var e = {
4        id: "#cardArea",
5        sid: ".card-item"
6    };
7    i.fn.cardArea = function(t) {
8        var t = i.extend({},
9        e, t);
10        return this.each(function() {
11            var e = i(t.id),
12            n = e.find(t.sid);
13            n.on("mouseenter",
14            function() {
15                i(this).addClass("active").siblings().removeClass("active")
16            })
17        })
18    };
19} (window, jQuery);