I'm getting reference error for a simple JavaScript function call. Help me to solve this
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script type="javascript">
function showPopupForIssueReport()
{
alert("The first");
}
</script>
</head>
<body>
<a href="javascript:void(null)" onclick="javascript:showPopupForIssueReport()">POPUP</a>
</body>
</html>