JSFiddle - React, Tailwind, and code Playground

JavaScript

function refreshGenePicker(value) {
    console.log('keyup! Value is now: ' + value);
}

(function($) {
    var someHtml = '<input type="text" name="gene_autocomplete_field">';
    $('body').append(someHtml);
    
    $('body').on('keyup', 'input[name="gene_autocomplete_field"]', function(q) {
        refreshGenePicker($(this).val());
    });
})(jQuery);