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What is the usage of oninvalid event in JavaScript?
The oninvalid event is triggered if the field value added in <input> is invalid. Add a message if the user forgets to fill the form before submission.
Example
You can try to run the following code to learn how to implement oninvalid event in JavaScript.
<!DOCTYPE html> <html> <body> <script> function resetFunct() { alert("The form was reset"); } </script> <form> Enter Name: <input type="text" required oninvalid = "alert('Fill the form before submitting!');" > <br> Enter birth month: <input type= "text"> <br> <input type = "submit"> <input type = "reset"> </form> </body> </html>
Updated on: 2020-05-22T11:17:18+05:30
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