I have got two div's
<div id="one"> and <div id="two"> Each div has got a button class named addonsBtn , when clicked on that it will open a popup and append data to the corresponding popup
If clicked on First Addon , is it possible to add class by name 'foroneclass' so that it looks this way
<div data-role="popup" id="addonsWrap789" class='foroneclass' data-theme="a"> </div> Similarly
If clicked on Second Addon , is it possible to add class by name 'fortwolass' so that it looks this way
<div data-role="popup" id="addonsWrap790" class='fortwolass' data-theme="a"> </div> This is my fiddle http://jsfiddle.net/cod7ceho/109/
7 Answers
Answers 1
Sure. There are a few ways to skin a cat
 
Basic solution
Based on your fiddle, you can extend the following two lines:
Line 8 is:
$("#addonsWrap789").popup({history: false}).popup('open').enhanceWithin();  Becomes:
$("#addonsWrap789").popup({history: false}).popup('open').enhanceWithin().addClass("foroneclassfo"); And line 15:
$("#addonsWrap790").popup({history: false}).popup('open').enhanceWithin(); Becomes:
$("#addonsWrap790").popup({history: false}).popup('open').enhanceWithin().addClass("foretwoclassfo"); 
 
Cleaner solution
I've cleaned up your jsfiddle file a bit. We can approach it in a bit more of a reusable way by taking the toppname and appending your desired class suffix onto the end. This way, you could have 2 or 10 modals and it would continue to work as intended. 
$(document).on('click', '.addonsBtn', function (e) {   var toppname = $(this).data('toppname');   var html = '<div class="popup_inner addonsContent"><div class="popup_content"><div class="popup_content_addonsWrap"><div class="addonsListWrap"><h3>Toppings</h3><ul><li><form><div class="ui-checkbox ui-mini"></div></form></li></ul></div></div></div></div>';    $("#addonsWrap789").html(html).trigger('create').trigger('pagecreate');   $("#addonsWrap789").trigger('create').trigger('pagecreate');   $("#addonsWrap789").popup({history: false}).popup('open').enhanceWithin().addClass(toppname + 'class'); }); Updated fiddle: http://jsfiddle.net/cod7ceho/110/
Answers 2
$(document).on('click', '.addonsBtn', function(e) {     var toppname = $(this).data('toppname');     var html = '<div class="popup_inner addonsContent"><div class="popup_content"><div class="popup_content_addonsWrap"><div class="addonsListWrap"><h3>Toppings</h3><ul><li><form><div class="ui-checkbox ui-mini"></div></form></li></ul></div></div></div></div>';     if (toppname === 'forone') {         $("#addonsWrap789").addClass($(this).attr('data-toppname')+'class');         $("#addonsWrap789").html(html).trigger('create').trigger('pagecreate');         $("#addonsWrap789").trigger('create').trigger('pagecreate');         $("#addonsWrap789").popup({             history: false         }).popup('open').enhanceWithin();     } else if (toppname === 'fortwo') {         $("#addonsWrap790").addClass($(this).attr('data-toppname')+'class');         $("#addonsWrap790").html(html).trigger('create').trigger('pagecreate');         $("#addonsWrap790").trigger('create').trigger('pagecreate');         $("#addonsWrap790").popup({             history: false         }).popup('open').enhanceWithin();     } }); Highlight this code:
$("#addonsWrap789").addClass($(this).attr('data-toppname')+'class'); and :
$("#addonsWrap790").addClass($(this).attr('data-toppname')+'class'); Answers 3
$(document).on('click', '.addonsBtn', function(e) {   var toppname = $(this).data('toppname');   var id = $(this).attr('id');   var html = '<div class="popup_inner addonsContent"><div class="popup_content"><div class="popup_content_addonsWrap"><div class="addonsListWrap"><h3>Toppings</h3><ul><li><form><div class="ui-checkbox ui-mini"></div></form></li></ul></div></div></div></div>';    $("#" + id ).html(html).trigger('create').trigger('pagecreate');   $("#" + id ).trigger('create').trigger('pagecreate');   $("#" + id ).popup({     history: false   }).popup('open').enhanceWithin().addClass(toppname);  }); Answers 4
Here is a Demo
$(document).on('click', '.addonsBtn', function(e) {  var $toppName = $(this).data('toppname'),      $topClass = $(this).data('topclass'),      $popup = $("#" + $(this).data("popup")),      $popupContent = '<div class="popup_inner addonsContent"><div class="popup_content"><div class="popup_content_addonsWrap"><div class="addonsListWrap"><h3>Toppings</h3><ul><li><form><div class="ui-checkbox ui-mini"></div></form></li></ul></div></div></div></div>';    $($popup).html($popupContent).trigger('create').trigger('pagecreate');   $($popup).trigger('create').trigger('pagecreate');   $($popup).popup({     history: false   }).popup('open').enhanceWithin().addClass($topClass);  // addClass method will keep the class even when the popup is hidden  }); and you can add the Popup Class and Id reference within the Button's data attributes - No need for If statements -
 <button class='btn-d addonsBtn' data-toppname="forone" data-topclass="foroneclassfo" data-popup="addonsWrap789" ui-btn ui-shadow ui-corner-all><a data-rel="popup" data-position-to="window" aria-haspopup="true" aria-expanded="false" class="ui-link">Addons First Item</a></button> Answers 5
Here i'd suggest a simpler way of doing this. Lets say that you put the desire class name in a attribute of both of your div's.
 
div id="one" key="foroneclass" and div id="two" key="fortwolass" Now when user will click what you can do is pick the value of attribute key.
var current_clasname = $(this).attr("key");and then place it it the class name of your popup.
$(".pop_up").removeAttr("class"); // To make sure that previous class is removed!! $(".pop_up").adddClass(current_clasname);     Answers 6
Here is link of my code you can go through it might be it can help you -
Add these lines in your code
JAVASCRIPT Code  $('#addonsWrap789').addClass('foroneclass'); $('#addonsWrap790').addClass('fortwoclass'); Answers 7
Thanks for sharing. It's very useful.
 
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