JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text"><br>
<input type="button" id="button" value="Click Me">
JavaScript
$('#button').attr('disabled', true);
$('input:text').keyup(function () {
var disable = false;
$('input:text').each(function(){
if($(this).val()==""){
disable = true;
}
});
$('#button').prop('disabled', disable);
});