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Editorial Team
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Asked: 2026-06-08T10:06:26+00:00

In my web-application I have added javascript in a jsp file. The alert message

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In my web-application I have added javascript in a jsp file.
The alert message is popping up in Firefox. But the alert window is not working in IE 8. Following is the javascript that I am using.
Can anyone please tell how to make this work in IE 8?

 function doSubmit() {
        var checkbox = document.getElementById("terms");
        if (!checkbox.checked) {
          alert("error message goes here.");
          return false;
      } else {
      return true;
      }
    }
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1 Answer

  1. Editorial Team

    Works fine, here is how you use it!

    <html>

<head>
<script type="text/javascript">

    function doSubmit() {
        var checkbox = document.getElementById("vehicle");
        if (!checkbox.checked) {
          alert("error message goes here.");
          return false;
      } else {
        return true;
      }
    }

</script>
</head>

<body>

    <form name="frm1" onsubmit=" return doSubmit()">
        <input type="checkbox" name="vehicle" value="Bike" />Checked<br />
        <input type="submit" value="Submit" />
    </form>

</body>
</html>

    added correction as suggested.

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