javascript - Jquery : Changing the last div's content id without reflecting changes to previous one -


i have 1 div who's id xyz1 , inside has 3 div who's id abc1,def1,ghi1 respectfully. when user click on add new button current div xyz1 should cloned , hidden , cloned div appended below xyz1 div . , new cloned div having parent id xyz2 , children div's should have id abc2,def2,ghi2. following code should make more sense .

<div id="xyz1" style="display:block">      <div id="abc1" class="abc"></div>      <div id="def1" class="def"></div>      <div id="ghi1" class="ghi"></div> </div>

when user click on add new button div should hide , next div should below .

<div id="xyz2" style="display:block">      <div id="abc2" class="abc"></div>      <div id="def2" class="def"></div>      <div id="ghi2" class="ghi"></div> </div>

important: previous div's id number should not modified .

what did 

var $cloned_div = $("#xyz1").clone().prop("id","xyz2"); $($cloned_div).appendto("div:last"); $("#xyz2").each(function(){    $(".abc").prop("id","abc2");    $(".def").prop("id","def2");    $(".ghi").prop("id","ghi2"); });

this working fine second div , prop() method getting applied previous 1 also. means previous div's id reflected too.

this how becomes 

<div id="xyz1" style="display:block">      <div id="abc2" class="abc"></div>      <div id="def2" class="def"></div>      <div id="ghi2" class="ghi"></div> </div> <div id="xyz2" style="display:block">      <div id="abc2" class="abc"></div>      <div id="def2" class="def"></div>      <div id="ghi2" class="ghi"></div> </div>

and don't want change class name because many dependencies in code class .

in html last div visible , can select jquery :visible selector. after finding visible div, should index of id of regex can work. when find last div , index index, copy using .clone() , change id attribute of cloned elements. @ end, insert copied element after last div .insertafter() , hide old div.

$("button").click(function(){   // selecte div visible   var div = $("[id^='xyz']:visible");   // id of target div   var id = parseint(div.attr("id").match(/\d+/))+1;   // copy target div , change id of , childs , insert new div after old div.   div.clone().attr("id", "xyz"+ id)      .find(".abc").attr("id", "abc"+ id).end()      .find(".def").attr("id", "def"+ id).end()      .find(".ghi").attr("id", "ghi"+ id).end()      .insertafter(div);   // hide target div   div.hide(); }); 

$("button").click(function(){    var div = $("[id^='xyz']:visible");    var id = parseint(div.attr("id").match(/\d+/))+1;    div.clone().attr("id", "xyz"+ id)       .find(".abc").attr("id", "abc"+ id).end()       .find(".def").attr("id", "def"+ id).end()       .find(".ghi").attr("id", "ghi"+ id).end()       .insertafter(div);    div.hide();    console.log($("[id^='xyz']:visible")[0].outerhtml);  });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <button>add new</button>  <div id="xyz1" style="display:block">    <div id="abc1" class="abc"></div>    <div id="def1" class="def"></div>    <div id="ghi1" class="ghi"></div>  </div>


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