jquery show password

 $("#showpaswd").click(function () {
        var x = document.getElementById("cpassword");
        if (x.type === "password") {
            x.type = "text";
        } else {
            x.type = "password";
        }
    });$('#check').click(function(){
	if(document.getElementById('check').checked) {
    $('#test-input').get(0).type = 'text';
  } else {
      $('#test-input').get(0).type = 'password';
  }
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='password' id='test-input' /> Show password <input type='checkbox' id='check' />