jquery.chained.min.js

/*! Chained 2.0.0-beta.3 - MIT license - Copyright 2010-2017 Mika Tuupola */
!function(a,b,c,d){"use strict";a.fn.chained=function(b){return this.each(function(){function c(){var c=!0,f=a("option:selected",d).val();a(d).html(e.html());var g="";a(b).each(function(){var b=a("option:selected",this).val();b&&(g.length>0&&(g+="+"),g+=b)});var h;h=a.isArray(b)?a(b[0]).first():a(b).first();var i=a("option:selected",h).val();a("option",d).each(function(){if(""!==a(this).val()){var b=[],d=String(a(this).data("chained"));d&&(b=d.split(" ")),b.indexOf(g)>-1||b.indexOf(i)>-1?a(this).val()===f&&(a(this).prop("selected",!0),c=!1):a(this).remove()}}),1===a("option",d).length&&""===a(d).val()?a(d).prop("disabled",!0):a(d).prop("disabled",!1),c&&a(d).trigger("change")}var d=this,e=a(d).clone();a(b).each(function(){a(this).bind("change",function(){c()}),a("option:selected",this).length||a("option",this).first().attr("selected","selected"),c()})})},a.fn.chainedTo=a.fn.chained,a.fn.chained.defaults={}}(window.jQuery||window.Zepto,window,document);