Use below codes to add Popup Boxes to your blog post or as a page element.
Alert Box
Code:
<script type="text/javascript">function show_alert(){alert("YOUR MESSAGE HERE!")}</script><input type="button"onclick="show_alert()"value="Show alert box"/>
Result:
Confirm Box
Code:
<script type="text/javascript">function show_confirm(){confirm("YOUR MESSAGE HERE!")}</script><input type="button"onclick="show_confirm()"value="Show confirm box"/>
Result:
Prompt Box
Code:
<script type="text/javascript">function show_prompt(){prompt("YOUR MESSAGE HERE!","")}</script><input type="button"onclick="show_prompt()"value="Show prompt box"/>
Result:
File Under : java script