javascript - jQuery collapsable element implementation -

i'm new jquery , wanted find out if implementation of jquery collapse:

$(function () {      var collapse = {         "body" : $(".collapse-body"),         "container" : $(".collapse-container"),         "trigger" : $(".trigger"),         "show" : $(".is-collapse"),         "speed" : 300     };      function iscollapse() {         return $(collapse.body).hasclass("is-collapse");     }      function iscollapsesingle() {         return $(collapse.container).hasclass("collapse-single");     }      function collapseshow() {         if (iscollapse()) {             collapse.show.show();         }     }$(document).ready(function(){collapseshow()});      //     $(collapse.trigger).click(function (id) {         id.preventdefault();         var atv = $(this).attr("href");         $(atv).slidetoggle(collapse.speed);          if (iscollapsesingle()) {             $(collapse.body).not(atv).slideup(collapse.speed);         }     }); });