change view password

JS:

$('.viewpass-dangnhap').on('click', function() {
	var type  = $("input[name=user_password]").attr('type');
	if(type == "password"){
		document.getElementById("change-type").type="text";
	}else{
		document.getElementById("change-type").type="password";
	}
});

HTML:

<td class="td-view">
    <label>Mật mã </label>
	
    <input type="password" name="user_password" size="20" maxlength="15" 
   class="form-control news-pass news-cmnd" id="change-type">

    <span class="viewpass-dangnhap">
         <i class="fa fa-eye"></i>
   </span>
</td>