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  <h1>Connection box <span>mask/unmask on demand input</span></h1>
      <label for="username">Your login</label>
      <input type="text" value="" placeholder="Enter Username" id="username">
      <label for="password">Your password</label>
      <input type="password" value="" placeholder="Enter Password" id="password" class="password">
      <button class="unmask" type="button" title="Mask/Unmask password to check content">Unmask</button>


                body {
  background-color: #f6f6f6;
  font-family: "Open Sans", Arial, Helvetica;
  margin-top: 50px;
  font-size: 14px;
div {
  width: 400px;
  margin: 0 auto;
  text-align: center;
h1 {
  margin-bottom: 1.5em;
  font-size: 30px;
  color: #484548;
  font-weight: 100;
 h1 span {
  font-size: 14px;
  color: #989598;
form p { position: relative; }
label { 
  position: absolute;
  text-indent: -9999px;
input {
  width: 250px;
  padding: 15px 12px;
  margin-bottom: 5px;
  border: 1px solid #e5e5e5;
  border-bottom: 2px solid #ddd;
  background: #f2f2f2;
  color: #555;
.password + .unmask {
  position: absolute;
  right: 74px;
  top: 12px;
  text-indent: -9999px;
  width: 25px;
  height: 25px;
  background: #aaa;
  border-radius: 50%;
  border: none;
.password + .unmask:before {
  content: "";
  top:4px; left:4px;
  width: 17px;
  height: 17px;
  background: #e3e3e3;
  border-radius: 50%;
.password[type="text"] + .unmask:after {
  content: "";
  top:6px; left:6px;
  width: 13px;
  height: 13px;
  background: #aaa;
  border-radius: 50%;


  Switch actions
$('.unmask').on('click', function(){
  if($(this).prev('input').attr('type') == 'password')
    changeType($(this).prev('input'), 'text');
    changeType($(this).prev('input'), 'password');
  return false;

  function from :
  Thank you bminer!

function changeType(x, type) {
    if(x.prop('type') == type)
        return x; //That was easy.
    try {
        return x.prop('type', type); //Stupid IE security will not allow this
    } catch(e) {
        //Try re-creating the element (yep... this sucks)
        //jQuery has no html() method for the element, so we have to put into a div first
        var html = $("<div>").append(x.clone()).html();
        var regex = /type=(\")?([^\"\s]+)(\")?/; //matches type=text or type="text"
        //If no match, we add the type attribute to the end; otherwise, we replace
        var tmp = $(html.match(regex) == null ?
            html.replace(">", ' type="' + type + '">') :
            html.replace(regex, 'type="' + type + '"') );
        //Copy data from old element'type','type') );
        var events ='events');
        var cb = function(events) {
            return function() {
                //Bind all prior events
                for(i in events)
                    var y = events[i];
                    for(j in y)
                        tmp.bind(i, y[j].handler);
        setTimeout(cb, 10); //Wait a bit to call function
        return tmp;