JSFiddle - React, Tailwind, and code Playground

HTML

<asp:ImageButton ID="img" runat="server" src="https://www.google.co.in/images/srpr/logo11w.png"  OnClientClick="return abc(this);" />

JavaScript

function abc(ImageID) {
    var img = document.getElementById(ImageID.id);
    img.src = "Jellyfish.jpg";
    return false;
}