jQuery css() not working in if statement -

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i have if statement checks see if image displayed in dom smaller 600px wide, , if was, image resized different width. it's not working. correct value displayed in alert doesn't passed css line below. idea why happening?

jquery

$('span.i_contact').each(function() {     var imgwidth = parseint($(this).data('image-width'));     console.log(imgwidth) if (imgwidth < 600) {     var newwidth = ((imgwidth / 600) * 300)       alert(newwidth)     $(this).css({         "width":newwidth     })     }         var pos_width = ($(this).data('poswidth')) / 2.025;     var pos_height = ($(this).data('posheight')) / 2.025;     var xpos = ($(this).data('posx')) / 2.025;     var ypos = ($(this).data('posy')) / 2.025;     var taggednode = $('<div class="tagged" />')     taggednode.css({         "border":"5px solid orange",         "width":pos_width,         "height":pos_height,         "left":xpos,         "top":ypos     });  var n = $(this).data('index'); $('.i_tagmap' + n).append(taggednode);    });  $("span.o_contact").each(function() {         var imgwidth = parseint($(this).data('image-width')); console.log(imgwidth) if (imgwidth < 600) {     var newwidth = ((imgwidth / 600) * 300);     alert(newwidth)     $(this).css({         "width":newwidth     });     }         var pos_width = ($(this).data('poswidth')) / 2.025;     var pos_height = ($(this).data('posheight')) / 2.025;     var xpos = ($(this).data('posx')) / 2.025;     var ypos = ($(this).data('posy')) / 2.025;     var taggednode = $('<div class="tagged" />')     taggednode.css({         "border":"5px solid green",         "width":pos_width,         "height":pos_height,         "left":xpos,         "top":ypos       }); var n = $(this).data('index'); $(this).append(taggednode);        });

erb (how images generated)

<% n = steps.index(step) %> <h2 style="margin-left:20px;"> step <%= n + 1%></h2> <div class="stepcontainer"> <div class="steptext">     <%= step.instruction %> </div> <div class="modalbutton">     <%= render(step.flags.new) %>    </div>   <% if step.input_contact.present? %>     <div class="productimg">         <div class="image_panel<%= n %>" style="float:left; width:600px; position:relative;">                <span class="i_contact i_contact<%= n %>" data-pos-x="<%= step.i_connection.pos_x %>" data-pos-y="<%= step.i_connection.pos_y %>"  data-pos-width="<%= step.i_connection.pos_width %>" data-pos-height="<%= step.i_connection.pos_height %>" id="spanid<%= n %>" data-image-width="<%= step.i_connection.image.dimensions.first %>" data-index="<%= n %>"></span>                <%= link_to image_tag(step.i_connection.image.image.url(:medium), id: "iconnection#{n}" ), "#{step.i_connection.image.image.url(:large)}", class: "fancybox" %>             <div class="i_tagmap<%= n %>"></div>             </div>           </div>      <% if step.i_connection.cord? && !step.o_connection.dongle? %>         <div class="cableimg">             <%= image_tag(step.i_connection.cord_type.image.url(:thumb), :class => "orange")  %>         </div>     <% end %>            <% end %>   <!-- end of step.input_contact.present -->  <% if step.o_connection.cord? && !step.o_connection.dongle? %>     <div class="cableimg">         <%= image_tag(step.o_connection.cord_type.image.url(:thumb), :class => "green") %>     </div>       <% end %> <div class="productimg">     <div class="image_panel<%= n %>" style="float:left; width:600px; position:relative;">         <span class="o_contact o_contact<%= n %>" data-pos-x="<%= step.o_connection.pos_x %>" data-pos-y="<%= step.o_connection.pos_y %>"  data-pos-width="<%= step.o_connection.pos_width %>" data-pos-height="<%= step.o_connection.pos_height %>" id="spanid<%= n %>" data-image-width="<%= step.o_connection.image.dimensions.first %>" data-index="<%= n %>"> </span>         <%= link_to image_tag(step.o_connection.image.image.url(:medium), id: "oconnection#{n}"), "#{step.o_connection.image.image.url(:large)}", class: "fancybox" %>         <div class="o_tagmap<%= n %>"></div>     </div>   </div>               </div>

in jquery, .each referring span, therefore inside of .each need traverse dom access image.

since appears image immediate sibling after span, .next seems appropriate (although there many other methods used):

$('span.i_contact').each(function() {         var imgwidth = parseint($(this).data('image-width'));         console.log(imgwidth);     if (imgwidth < 600) {     var newwidth = ((imgwidth / 600) * 300)       alert(newwidth);     $(this).next().css({         "width":newwidth     })     }    ...

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