JSFiddle - React, Tailwind, and code Playground

HTML

<div class="foo">

<input type="text" name="field" />

</div>


<div class="bar">

<input type="text" name="field" />

</div>

JavaScript

var formFoo = $('.foo');
var inputsFoo = $(':input', formFoo);
var checkerFoo = function() {
    alert('foo');
};
formFoo.on('keyup.foo', inputsFoo, checkerFoo);

var formBar = $('.bar');
var inputsBar = $(':input', formBar);
var checkerBar = function() {
    alert('bar');
};
formBar.on('keyup.bar', inputsBar, {'bar':1}, checkerBar);