JSFiddle - React, Tailwind, and code Playground

HTML

<span data-function="alert" >Alert</span><br/>
<span data-function="notexists" >Not Exists</span><br/>
<span data-function="changeName" >Change Name</span><br/>

JavaScript

var myfuncs = {
      alert : function() {
            alert("An Alert");
        },
        changeName: function(obj) {
            $(obj).text('Other Text');
        }    
    };
    
   $('[data-function]').on('click', function()
   {
      value =  $(this).data('function');
       
       if (myfuncs.hasOwnProperty(value)) {
         myfuncs[value](this);
       }
                     
   });