These package programs can be used in the browser. It does not depend on any specific framework.
- Prevent page unloaded while filling out a form
- Input validation of form control
- Cover the entire screen with an overlay when form submitting
- Convert date control to
<input type=text> - Show preview with
<input type=file> - ISBN input field
- Implement something like
<input type=checkbox switch> - Automatically adjust the block size dimension of the
<textarea>element to the input content