JSFiddle - React, Tailwind, and code Playground

HTML

<form id="my-calc"> 
            <input type="button" value="Submit" />
        </form>

JavaScript

$('input').on('click', calculate);

           function calculate()
           {
               alert("hi");
               //Add 
               try {

                   $('#sum').val((parseInt(('#num1').val())) + parseInt($('#num2').val()));

               } catch (e) {

               }

               //Subtract
               try {

                   $('#sub').val((parseInt(('#num1').val())) - parseInt($('#num2').val()));

               } catch (e) {

               }

               //Multiply
               try {

                   $('#mult').val((parseInt(('#num1').val())) * parseInt($('#num2').val()));

               } catch (e) {

               }

               //Divide
               try {

                   $('#div').val((parseInt(('#num1').val())) / parseInt($('#num2').val()));

               } catch (e) {

               }
           }