JSFiddle - React, Tailwind, and code Playground

HTML

<script src="Ferhan Jamal"></script>
<span class="label-mobile-languageselector" onclick="myFunction()"><img src="https://s15.postimg.org/o258xqw23/Settings_Sign.png" alt="LanguageSelector">  
                  <span class="popuptext show" id="myPopup">French</span>
                 </span>

CSS

.label-mobile-languageselector {
    position:relative;
    display: inline-block;
    cursor: pointer;
    margin-left:220px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* The actual popup */
.label-mobile-languageselector .popuptext {
    visibility: hidden;
    width: 360px;
    background-color: #668A04 !important;
    color: #fff;
    text-align: left;
    /* border-radius: 6px; */
    padding: .5px 0;
    position: absolute;
    /* margin-bottom: 12px !important; */
    z-index: 1;
    height: 29px !important;
    bottom: -67%;
    left: -271%;
    margin-left: -80px;
}

.label-mobile-languageselector .popuptext::before {
  
content:url('https://s17.postimg.org/i4xsnejgf/globe.png');
  display:inline-block;
  float:left;
  width: 30px; /* whatever width you need */
  height: 29px; /* whatever height you need */
  margin-right: 0.5em; /* whatever margin is needed to separate the image from the text */
  
}















/* Popup arrow */
.label-mobile-languageselector .popuptext::after {
    content: "";
    position: absolute;
    top: -52%;
    left: 58.2%;
    margin-left: -5px;
    border-width: 8px;
    border-style: solid;
    border-color: #668A04 transparent transparent transparent;
    transform: rotateX(180deg); 
}

/* Toggle this class - hide and show the popup */
.label-mobile-languageselector .show {
    visibility: visible;
    -webkit-animation: fadeIn 1s;
    animation: fadeIn 1s;
}

/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
    from {opacity: 0;} 
    to {opacity: 1;}
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity:1 ;}
}

JavaScript

function myFunction() {
  var popup = document.getElementById('myPopup');
  popup.classList.toggle('show')
  if (!popup.classList.toggle('show')) {
    if (popup.innerHTML == "English") {
      popup.innerHTML = "French";
      popup.classList.toggle('show')
    } else {
      popup.innerHTML = "English";
      popup.classList.toggle('show')
    }
  } else {
    popup.classList.toggle('show');
  }
}