How to pass multiple ID into function on click using javascript

i have seen ur provide url.but its not usefull for me.i want to pass multiple id from fuction dynamically in javascript fucntion.

function image(thisImg) {
                     
            var img_1 = thisImg;
            var img_NEW = document.getElementById('img1');
            if (img_1 == "#") {
                img_NEW.src = 'Images/Under_Process.png';
            }
            else {
                img_NEW.src = 'Images/LUCKNOW/Images/' + img_1;
            }
            document.getElementById('hd_field').value = thisImg;
        }

This is my function.but i want to pass multiple id's through var thisImg onclick.