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javascript - 如何设置密码在单击图标时可见

问题描述

我有三个输入字段，它们都是密码字段，我要做的是fontawesome在单击时将图标放在输入字段内，以显示或隐藏密码

目前我有这个但有按钮，它只对一个字段而不是对所有三个字段做，我是否必须为所有三个字段调用 3 个不同的函数，或者它可以用相同的函数来完成

片段

function show() {
  var a = document.getElementById("confirm_password");
  var b = document.getElementById("display2");
  if (a.type == "password") {
    a.type = "text";

  } else {
    a.type = "password";

  }
}
<div class="col-lg-3">
  <h5 id="commonHeader">Current Password</h5>
  <input type="password" id="currentPass" name="currentpass" class="commanClass" placeholder="Current Password">
  <button type="button" onclick="show()" id="display"></button>
</div>
<div class="col-lg-3">
  <h5 id="commonHeader">New Password</h5>
  <input type="password" id="newPass" name="newpass" required="required" class="commanClass" placeholder="Current Password">
  <button type="button" onclick="show()" id="display1"></button>

</div>
<div class="col-lg-3">
  <h5 id="commonHeader">Confirm Password</h5>
  <input type="password" id="confirm_password" required="required" placeholder="Confirm Password">
  <button type="button" onclick="show()" id="display2"></button>
</div>

<div>
  <hr>
  <br>
  <button type="submit" id="save" class="commonButton">Save</button>
  <button type="button" id="save" class="commonButton">Clear</button>
</div>

在我的代码段中，我有 3 个输入字段，我必须提供一个图标，如果用户单击该图标，它将显示当前字段的密码

目前它仅适用于一个领域

标签： javascripthtmlcssfont-awesome-5

解决方案

您可以使用 removeAttribute 删除 type="password" 并同时使用 setAttribute 将类型设置为文本

function show(a) {
  var x=document.getElementById(a);
  var c=x.nextElementSibling
  if (x.getAttribute('type') == "password") {
  c.removeAttribute("class");
  c.setAttribute("class","fas fa-eye");
  x.removeAttribute("type");
    x.setAttribute("type","text");
  } else {
  x.removeAttribute("type");
    x.setAttribute('type','password');
 c.removeAttribute("class");
  c.setAttribute("class","fas fa-eye-slash");
  }
}
  
   
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.1/css/all.css" integrity="sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr" crossorigin="anonymous">
<div class="col-lg-3">
  <h5 id="commonHeader">Current Password</h5>
  <input type="password" id="currentPass" name="currentpass" class="commanClass" placeholder="Current Password">
  <i onclick="show('currentPass')" class="fas fa-eye-slash" id="display"></i>
</div>
<div class="col-lg-3">
  <h5 id="commonHeader">New Password</h5>
  <input type="password" id="newPass" name="newpass" required="required" class="commanClass" placeholder="Current Password">
 <i onclick="show('newPass')" class="fas fa-eye-slash" id="display"></i>

</div>
<div class="col-lg-3">
  <h5 id="commonHeader">Confirm Password</h5>
  <input type="password" id="confirm_password" required="required" placeholder="Confirm Password">
 <i onclick="show('confirm_password')" class="fas fa-eye-slash" id="display"></i>
</div>

<div>
  <hr>
  <br>
  <button type="submit" id="save" class="commonButton">Save</button>
  <button type="button" id="save" class="commonButton">Clear</button>
</div>

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