JSFiddle - React, Tailwind, and code Playground

by alonIL

HTML

<input type="text" class="someInput">
<div class="wrapper" style="display:none";>
  <div class="outer_div">
    <div class="inner_div">
        <div class="element element-hover">USA </div>
        <div class="element">UK </div>
        <div class="element">SPAIN </div>
        <div class="element">FRANCE </div>
        <div class="element">ITALY </div>
        <div class="element">ISRAEL </div>
        <div class="element">AUSTRALIA </div>
        <div class="element">GERMANY </div>
        <div class="element">BELGIUM </div>
        <div class="element">IRELAND </div>
   </div>
  </div>
</div>

CSS

.wrapper {
    border: 1px solid #d8d8d8;
    position: absolute;
    z-index: 9999999999;
    background-color: white;
    -webkit-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
    box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    border-radius: 3px;
}
.outer_div {
    width: 403px;
    background-color: white;
    height: 116px;
    overflow: hidden;   
}
.inner_div {
     overflow-y: scroll;
     overflow-x: hidden;
     max-height: 100%;
     width: 100%;
}
.element {
     width: 100%;
    height: 28px;
    line-height: 28px;
    cursor: pointer;
    border-bottom: 1px solid #d8d8d8;
    padding-left: 10px;
    font-weight: 500;
    font-size: 14px;
    color: #646464;   
}
.element-hover {
   background-color: #f5f5f5 !important;   
}
}

JavaScript

$(".someInput").on("keyup", function(e) {
   $(".wrapper").show(); 
    if (e.which == 40) {
        $('.element:not(:last-child).element-hover').removeClass('element-hover').next().addClass('element-hover');
    } else if (e.which == 38) {
        $('.element:not(:first-child).element-hover').removeClass('element-hover').prev().addClass('element-hover');    
    }
});