javascript - Selecting :after element not working in Jquery selector -


i creating tool tip component input box , text area code coming 

<div class="tooltip is-text-area show">         <textarea id="descripcion" name="descripcion" class="my-textarea" style="text-transform: uppercase;"></textarea>         <span class="tooltip-text" style="height: 14px;">contect of tooltip</span>:after     </div>

the input type can text , checkbox or select box. in css have harcoded value of bottom. when use text tooptip covering entire input area , tring change bottom property of tooltip-text , :after element using jquery height of element using .

my css below 

.tooltip {   position: relative; } .tooltip .tooltip-text {   position: absolute;   **bottom: 26px;**   left: 0;   background: #f47826;   padding: 2px 5px;   box-sizing: border-box;   width: 100%;   max-width: 160px;   font-size: 10px;   color: #fff;   z-index: 1;   display: none; } .tooltip.show .tooltip-text {   display: block; } .tooltip.show:after {   box-sizing: border-box;   content: " ";   position: absolute;   **bottom: 21px;**   left: 11px;   margin-left: -5px;   width: 0;   border-top: 5px solid #f47826;   border-right: 5px solid transparent;   border-left: 5px solid transparent;   font-size: 0;   line-height: 0; }

i used below code change bottom property of tooltip-text , :after element

$("#descripcion").parent().hover(function(){$(this).attr('bottom','100px')}) ; $("#descripcion").parent().find('span').attr('bottom','100px')}) ;

but not woking. appreciated. how select after element

an attribute id, style, class etc, see below

<div class="something"></div>

however, style not attribute, , not use attr() method, css() method

$("#descripcion").parent().hover(function(){     $(this).css('bottom','100px'); });

you can of course not access pseudo elements :after jquery


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