JSFiddle - React, Tailwind, and code Playground

HTML

<script>
function test5(){
    alert("oui");
    var u = document.getElementById("id").value; 
    var url = "exceljsp.jsp";
    url += "?id=" + u;
    javascript:window.location.href = url;
}
</script>

<input type="image" src='excel.png' name="look excel table"  onclick="test5();">