JSFiddle - React, Tailwind, and code Playground

by rahulr

HTML

<div id="sidemeny-container">
<div class="sidemenu-maincat">
    <img src="cat1.jpg" alt="cat1" />
        <div class="sidemenu-subcat hidden">
        <a href="subcat1.html"> - Subcat 1 </a>
        </div>
        <div class="sidemenu-subcat hidden">
        <a href="subcat2.html"> - Subcat 2 </a>
        </div>
        <div class="sidemenu-subcat hidden">
        <a href="subcat3.html"> - Subcat 3 </a>
        </div>  
    </div>

    <div class="sidemenu-maincat">
    <img src="cat2.jpg" alt="cat2" />
        <div class="sidemenu-subcat hidden">
        <a href="subcat2-1.html"> - Subcat 2-1 </a>
        </div>
        <div class="sidemenu-subcat hidden">
        <a href="subcat2-2.html"> - Subcat 2-2 </a>
        </div>
        <div class="sidemenu-subcat hidden">
        <a href="subcat2-3.html"> - Subcat 2-3 </a>
        </div>  
    </div>
        </div>

CSS

#sidemeny-container {
    border-bottom:1px #000 solid; 
    height: auto;
    width: 153px;
    float:left;
    padding: 10px 0px 0px 0px;

}

.sidemenu-maincat {
    border-top: 1px #000 solid;
    border-right: 1px #000000 solid;
    width:148px;
    height:auto;
    float:left;
    padding: 0px 0px 0px 5px;
}

.sidemenu-subcat.hidden {
    display:none;
    width:148px;
    height:auto;
    float:left;
    padding: 0px 0px 0px 15px;
}

JavaScript

function initiate()
{

var sideMenuOptions = document.getElementsByClassName('sidemenu-maincat');
    for (var i = 0; i < sideMenuOptions.length; i++) {
        sideMenuOptions[i].addEventListener('click', function() {
    var subMenuItems = this.getElementsByClassName('sidemenu-subcat');
    for (var s = 0; s < subMenuItems.length; s++) {
      var subItem = subMenuItems[s];
      if (subItem.offsetWidth === 0 && subItem.offsetHeight === 0) {
        subItem.className = 'sidemenu-subcat';
      } else {
        subItem.className = subItem.className + ' hidden';
      }
    }
  });
    }       
}

window.onload = initiate;