HTML5 input required, scroll to input with fixed navbar on submit

Question

When trying to submit a form with missing required fields, my browser (Chrome), displays a message mentionning there is a field missing, and if it\'s out of my screen, it sc

Answer 1

ok, i did a dirty test with a code snippet i found here on SO

As it is a code from someone else, i just alter it to scroll to the element that had a missing input requirement. I do not want any credit for it, and it maybe is not even what you have in mind, you or someone else could use it as a reference.

The goal was to get the id of the forgotten/wrong input element:

            var myelement = input.id;
            var el = document.getElementById(myelement);
            el.scrollIntoView(false);

Please keep in mind that this fiddle only works for your posted fiddle above, it not handles multiple forgotten or wrong input fields.I only wanted to show an alternative.

----->jSFiddle

Answer 2

I had the exact same problem and resolved it using jquery with this bit of code:

var delay = 0;
var offset = 150;

document.addEventListener('invalid', function(e){
   $(e.target).addClass("invalid");
   $('html, body').animate({scrollTop: $($(".invalid")[0]).offset().top - offset }, delay);
}, true);
document.addEventListener('change', function(e){
   $(e.target).removeClass("invalid")
}, true);

Offset should be the height of your header and delay is how long you want it to take to scroll to the element.

Answer 3

When there are several invalid inputs in the form, you only want to scroll to the first of them:

var form = $('#your-form')
var navbar = $('#your-fixed-navbar')

// listen for `invalid` events on all form inputs
form.find(':input').on('invalid', function (event) {
    var input = $(this)

    // the first invalid element in the form
    var first = form.find(':invalid').first()

    // only handle if this is the first invalid input
    if (input[0] === first[0]) {
        // height of the nav bar plus some padding
        var navbarHeight = navbar.height() + 50

        // the position to scroll to (accounting for the navbar)
        var elementOffset = input.offset().top - navbarHeight

        // the current scroll position (accounting for the navbar)
        var pageOffset = window.pageYOffset - navbarHeight

        // don't scroll if the element is already in view
        if (elementOffset > pageOffset && elementOffset < pageOffset + window.innerHeight) {
            return true
        }

        // note: avoid using animate, as it prevents the validation message displaying correctly
        $('html,body').scrollTop(elementOffset)
    }
})

JSFiddle

Answer 4

You can use oninvalid event attribute of HTML5 and in your script's tag write a function for redirecting it.

Here is the example:

<input type="text" required oninvalid="scroll_to_validator(this)">

<script>
    function scroll_to_validator(input)
        {
        input.focus(); 
        }
</script>

And on clicking on your submit button it will scroll to the invalid field.

For radio button please add only on one radio with same name
Here is the example (jsfiddle)

Answer 5

Two solutions:

• One: apply padding to the body -->

  body {
   padding-top:50px;
  }
  

• Two : apply margin to the main container -->

   #content {
     margin-top:50px;
   }
  

Answer 6

I tried to use the way of T.J. Moats, but it did not work as needed, because I often came back to the field, which was incorrect first.

So, I made it:

var navhei = $('header').height();
var navheix = navhei + 30;
document.addEventListener('invalid', function(e){
$(e.target).addClass("invalid");
   $('html, body').animate({scrollTop: $($(".invalid")[0]).offset().top - navheix }, 0);
 
setTimeout(function() {
$('.invalid').removeClass('invalid');
},0300);
}, true);

body {
    margin: 0;
    margin-top: 50px;
    text-align: center;
}

header {
    position: fixed;
    width: 100%;
    height: 50px;
    background-color: #CCCCCC;
    text-align:center;
    top: 0;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>
<header>This is the header</header>
<div>
<form action="">
<br>
    <input id="text" type="text" required="required" /><br><br>
    <input id="text" type="text" required="required" /><br><br><br><br>
    <input id="text" type="text" required="required" /><br><br>
    <input id="text" type="text" required="required" /><br><br><br><br>
    <input id="text" type="text" required="required" /><br><br><br><br><br><br>
    <input id="text" type="text" required="required" /><br><br>
        <p>Click send (at the bottom of the page), without filling the input field.</p><br><br><br><br><br><br>
        <input id="text" type="text" required="required" /><br><br>
    <input type="submit" id="btnSubmit" />
    </form>
</div>

I hope it will be helpfull for people :)