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How to customize the position of an alert box using JavaScript?
To customize the position of an alert box, use the CSS “top” and “left” properties. We have a custom alert box, which we’ve created using jQuery and styled with CSS.
Example
You can try to run the following code to customize the position of an alert box −
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script> function functionAlert(msg, myYes) { var confirmBox = $("#confirm"); confirmBox.find(".message").text(msg); confirmBox.find(".yes").unbind().click(function() { confirmBox.hide(); }); confirmBox.find(".yes").click(myYes); confirmBox.show(); } </script> <style> #confirm { display: none; background-color: #F3F5F6; color: #000000; border: 1px solid #aaa; position: fixed; width: 300px; height: 100px; left: 30%; top: 30%; box-sizing: border-box; text-align: center; } #confirm button { background-color: #FFFFFF; display: inline-block; border-radius: 12px; border: 4px solid #aaa; padding: 5px; text-align: center; width: 60px; cursor: pointer; } #confirm .message { text-align: left; } </style> </head> <body> <div id="confirm"> <div class="message">This is a warning message.</div><br> <button class="yes">OK</button> </div> <input type="button" value="Click Me" onclick="functionAlert();" /> </body> </html>
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