JSFiddle - React, Tailwind, and code Playground

by David Thomas

HTML

<form>
    <input class="demo" />
    <input />
    <input class="demo" />
    <input class="demo" />
</form>

CSS

input {
    display: block;
    background-color: #f90;
}

input.demo {
    background-color: #ff0;
}

JavaScript

$('form').on('keypress','input',function(e){
    var eClassName = this.className,
        index = $(this).index('.' + eClassName) + 1;
    if (e.which === 13){
        e.preventDefault();
        $('input.' + eClassName)
            .eq(index)
            .focus();
    }
});