This error usually indicates that the jQuery library has not been loaded correctly; you need to ensure that the jQuery library is properly included in your HTML file.
You can use HTML. <head> Add the following code to the tag to include jQuery:
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>This will load the jQuery library file from the official jQuery website. If you have already downloaded the jQuery library file locally, you can modify the above code to point to the path of your local file, for example:
<script src="path/to/jquery-3.6.0.min.js"></script>Please ensure that path/to/ Replace with the actual path.
If you have correctly loaded the jQuery library but are still encountering this error, please check your code for any other syntax or logic errors.
