After I add name value from textbox, and then name value didn't display on webpage and it just display [object Object][object Object], I tried converting from objects to string but don't solve problem.
document.getElementById("test").innerHTML = obj.toString(); -> don't work.
Check all my code at below:
<script>
       const obj = 
       [{
        iname: "",
        iprice: ""
       }];
    function btn()
    {
               
                var name = document.getElementById('Iname').value;
                var price = document.getElementById('Iprice').value;
                obj.push({
                    iname: name,
                    iprice: price
                });
                document.getElementById("test").innerHTML = obj;
    }
    </script>
 
    