CODE EXAMPLE FOR JAVASCRIPT

input onenter go to next input field javascript

<input class='ui-widget-content ui-corner-all form-fullwidth' data-index="1" id='Tasudok' name='Tasudok' value='' maxlength='25' />
<input type="text" name="Toode" class="my-input" data-index="2" />
<input type="number" name="Kogus" data-index="3" />

$('#inputform').on('keydown', 'input', function (event) {
    if (event.which == 13) {
        event.preventDefault();
        var $this = $(event.target);
        var index = parseFloat($this.attr('data-index'));
        $('[data-index="' + (index + 1).toString() + '"]').focus();
    }
});