Comment afficher et masquer le mot de passe de la page de connexion dans JS

<ul class="form-area">
 <li>
  <p class="item-content">
   <p class="item-input">
    <input type="text" name="accountName" autofocus required="required" placeholder="请输入用户名">
   </p>
  </p>
 </li>
 <li>
  <p class="item-content">
   <p class="item-input">
     <input type="password" name="password" id="password" required="required" placeholder="请输入密码">
   </p>
  </p>
 </li>
 <li>
  <span style="position:absolute;right: 20px;top: -38px">
   <img  id="showText" onclick="hideShowPsw()" alt="Comment afficher et masquer le mot de passe de la page de connexion dans JS" >
  </span>
 </li>
</ul>

<script type="text/javascript">
//获取input框内的切换图片id和input文本框的id
 var demoImg = document.getElementById("showText");
 var demoInput = document.getElementById("password");
 function hideShowPsw() {
  if (demoInput.type == "password") {
   demoInput.type = "text";
   demoImg.src ="../Images/showPasswd.png";
  } else {
   demoInput.type = "password";
   demoImg.src = "../Images/hidePasswd.png";
  }
 }
</script>