JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
    <input type="text" id="a" value="a" class="zold"/>  
    <input type="text" id="b" value="b" class="zold"/>

JavaScript

$.widget("nt.FileSelector", {  
          
        options: {  
            a: 1,  
            b: 2  
        },  
          
        _create: function() {  
            $.extend(this.element.FileSelector, this);
        }, 
          
        _setOptions: function(options) {  
            this.options = options;  
        },  
          
        _getOptions: function() {  
            return this.options;  
        }  
    });  

      
$(".zold").FileSelector();  
$("#a").FileSelector._setOptions({ok:12});  
$("#b").FileSelector._setOptions({no:"no"});  
  
console.log( "xxxx", $("#a").FileSelector._getOptions(), $("#b").FileSelector._getOptions())